Answer:
it is unclean
Explanation:
fish that have non-shedding, non-overlapping, diamond-patterned, or imbedded scales should be considered unclean.
A population of lizards lives in a marsh near the ocean. Members of this population have striped tails that can be yellow, orange, or red. Most members of the population have yellow striped tails. During a storm, four lizards get swept into the ocean on driftwood and end up on an island several miles away. All four of the lizards have orange striped tails. These lizards start a new population on the island, and all members of the new population have orange striped tails. In the example above, the new lizard population had less genetic variation than the original population because of _______.
The question is incomplete as it does not have the options which are:
A. Speciation
B. the founder effect
C. natural selection
D. gene flow
Answer:
Founder effect
Explanation:
The founder effect is the phenomenon observed when the members of the population establish a new population.
This effect is observed due to the immigration and emigration of the individuals of the population.
In the given question, the four lizards swept away with the ocean and reached a new island. There they reproduced and flourished and by the time they formed the new population with orange stripes. This is the case of the genetic drift especially the founder effect in which the new alleles for the orange tail expressed.
Thus, the founder effect is the correct answer.
Plants use the energy from the sun to convert
Answer:
Photosynthesis
Explanation:
Your statement isn't very clear, so I am unsure what you mean. Hopefully this answers your question.
A 39-year-old patient whose work involves frequent lifting has a history of chronic back pain. After the nurse has taught the patient about correct body mechanics, which patient statement indicates that the teaching has been effective? a. "I will keep my back straight to lift anything higher than my waist."b. "I will begin doing exercises to strengthen the muscles of my back."c. "I can try to sleep with my hips and knees extended to prevent back strain."d. "I can tell my boss that I need to change to a job where I can work at a desk."
Answer:
b. "I will begin doing exercises to strengthen the muscles of my back."
Explanation:
The teaching has been effective when the patient states "I will begin doing exercises to strengthen the muscles of my back." because by doing so, the muscles that support his back will be strengthened, which will help him to maintain a correct posture and to make fewer efforts when lifting thing. He should not lift things above the level of his elbows even if he keeps him back straight and bends his knees and hips to lift.
Answer:
The best answer is "B"
"I will begin doing exercises to strengthen the muscles of my back."
Explanation:
The chronic back pain is a physical discomfort that occurs anywhere on the spine or back, it could be mild or even disabling. If you practice good body mechanics and a routine exercise, back pains could be manage efficiently and effectively.
John's mother is cooking a meal. He sees steam rising from the pot. Which type of energy is the steam that John sees an example of...?
A. Kinetic
B. Wind
C. Thermal
D. Light
Answer:
Thermal
Explanation:
I power plants when water is heated it can be pressurized and drive turbines that produce a electrical current , turing into thermal energy later into mechanical
Imagine that you are a research chemist who wishes to develop a chemical adhesive that will work under water. Which of the following organisms might give you a clue about where to start? Imagine that you are a research chemist who wishes to develop a chemical adhesive that will work under water. Which of the following organisms might give you a clue about where to start? a.lobsters b.sea wasps c.mussels d.trematodes
Answer:Mussels
Explanation:
The mussels are the organisms found in water which have the ability to produce amino acids which helps them in sticking their body and sticking their body to other surface.
The amino acid is a rare amino acid named as dihydroxyohenylalanine or DOPA. This amino acid is unusual which provide the ability to stick on the surface.
It enables the material to be adhesive and cohesive in nature. This organism can help the chemist to give a clue on the topic of adhesive.
Assume that a mass of magma is constant. What effect will an increase in volume have on the density of the magma?
Answer:Magmatic density and viscosity exert fundamental controls on the eruptibility of magmas. In this study, we investigate the extent to which magmatic physical properties control the eruptibility of magmas from Iceland's Northern Volcanic Zone (NVZ). By studying subaerial flows of known age and volume, we are able to directly relate erupted volumes to magmatic physical properties, a task that has been near-impossible when dealing with submarine samples dredged from mid-ocean ridges. We find a strong correlation between magmatic density and observed erupted volumes on the NVZ. Over 85% of the total volume of erupted material lies close to a density and viscosity minimum that corresponds to the composition of basalts at the arrival of plagioclase on the liquidus. These magmas are buoyant with respect to the Icelandic upper crust. However, a number of small-volume eruptions with densities greater than typical Icelandic upper crust are also found in Iceland's neovolcanic zones. We use a simple numerical model to demonstrate that the eruption of magmas with higher densities and viscosities is facilitated by the generation of overpressure in magma chambers in the lower crust and uppermost mantle. This conclusion is in agreement with petrological constraints on the depths of crystallization under Iceland.
Explanation:
Final answer:
Increasing the volume of a mass of magma while keeping mass constant will result in a decrease in density, which is analogous to the laws governing the behavior of gases.
Explanation:
When the volume of a mass of magma increases while the mass remains constant, the density of the magma will decrease. This is because density is defined as mass per unit volume, which can be represented by the formula density = mass/volume. If the volume increases and the mass remains the same, there is more space for the same amount of mass, which results in a lower density. This concept is analogous to the behavior of gases, where increasing the volume at constant mass would similarly result in a decrease in density.
For gases, the relationships between pressure, volume, and temperature are described by the gas laws. According to Boyle’s Law, if the pressure of a gas is increased while keeping temperature constant, its volume decreases. Charles' Law states that if the volume of a gas is increased at constant pressure, the temperature also increases. According to Gay-Lussac's Law, if the volume of a gas is increased while maintaining constant temperature, the pressure decreases. Lastly, if the volume increases by adding more moles of gas at constant temperature and pressure, the volume increases in proportion to the amount of gas added.
In the human retina: a) cone cells can detect color, but rod cells cannot. b) cone cells are more sensitive than rod cells to light.c) rod cells are most highly concentrated in the center of the retina. d) cone cells, but not rod cells, have a visual pigment.
Answer:
option A
Explanation:
Cones provide colour vision while rods cells do not produce colour vision. Rods provide the vision in the dull light (darkness or night), whereas cones are known to give the vision during the day or bright light; Rod cells are more sensitive to light than cone cells and both do have visual pigments with the rod cells possessing rhodopsin and the cone cells having photo-opsins.
Rods and cones are two types of photoreceptors in the human retina. Rods, mainly concentrated at the periphery of the retina, are more sensitive to light and only detect shades of gray, while cones, concentrated at the center, detect colors thanks to three types of opsins. Both have visual pigments which react to light, enabling vision.
Explanation:In the human retina, there are two types of photoreceptors: rods and cones. Rods are more sensitive than cones to light and are primarily responsible for vision in low-light conditions as well as peripheral vision. On the other hand, cone cells can detect color, differentiate between different wavelengths of light, and provide high-resolution vision. Rod cells do not detect color and only allow for the perception of shades of gray.
Rod cells are most highly concentrated around the peripheral areas of the retina, while cone cells are located near the center of the retina, in a region known as the fovea, where they are most concentrated. This central part of the retina is responsible for our central, high-resolution, color vision.
Lastly, both rod and cone cells contain visual pigments that undergo chemical changes when light falls on them. Rods contain a photosensitive pigment called rhodopsin, while cone cells contain three types of photosensitive pigments or opsins, each sensitive to different wavelengths of light - red, green, and blue. The presence of these opsins is what allows cones to detect color.
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identified a family in which club foot was inherited as an autosomal dominant trait with reduced penetrance. They discovered a mutation in the PITXI gene that caused club foot in this family. Through DNA testing, they determined that 11 people in the family carried the PITXI mutation, but only 8 of these people had club foot. What is the penetrance of PITXI mutation in this family?
Answer:
Incomplete
Explanation:
A dominant condition has incomplete penetrance when the phenotype associated to this trait is observed in some individuals while other family members carrying the same condition do not show any sign of this trait
An example of incomplete dominance are the mutations in the BRCA1 and BRCA2 genes that have been associated with breast cancer
In the human brain, a great deal of synaptic pruning occurs in early childhood. This pruning appears to be:_______.
A. The unfortunate result of insufficiently stimulating home and school environments.
B. The result of the fact that the cortex is slowly taking over responsibility for functions that have previously been controlled by other parts of the brain.
C. Due to an imbalance of important nutrients, and especially to low levels of the B vitamins in many children's diets.
D. An adaptive process that allows children to deal more efficiently with their environment.
Answer: D. An adaptive process that allows children to deal more efficiently with their environment.
Explanation:
Synaptic pruning is a natural process between early childhood and adulthood which occurs in the brain. The brain removes the extra synapses during synaptic pruning. Synapses are brain structures that allow the neurons to transmit to another neuron an electrical or chemical signal.
Synaptic pruning is thought to help the brain transition from adolescence, when it can quickly learn and make new connections, to adulthood, when it is much more stable in its structure, but can concentrate on a single question for longer and conduct more complex thinking processes. Synaptic pruning make brain more adaptive to the external environment in early ages.
Hence, the correct option is D. An adaptive process that allows children to deal more efficiently with their environment.
Final answer:
Synaptic pruning in early childhood is an adaptive process that optimizes brain efficiency by reducing unused synapses and strengthening necessary ones, in line with brain plasticity. Option D is the correct answer.
Explanation:
In early childhood, a great deal of synaptic pruning occurs in the human brain, which is an adaptive process that makes the brain more efficient. This pruning results in the loss of synapses that are unused, while strengthening the ones that are frequently used. Such synaptic pruning enables children to deal more efficiently with their environment and allows for the mastery of more complex skills. Consequently, the correct answer to the question is Option D - An adaptive process that allows children to deal more efficiently with their environment.
Neuroplasticity is critical during early childhood as it underlies learning and memory. Through both the blooming and pruning of neural connections during early development, the brain undergoes significant changes that are necessary for cognitive and functional growth. Therefore, synaptic pruning is not due to insufficiently stimulating environments, nutrient imbalances, or the cortex taking over other brain functions, but is instead a key developmental mechanism rooted in brain plasticity and the optimization of neural circuits.
Which layer of the skin supplies the skin with oxygen and nutrients
Answer:
Reticular layer which is one of the layers of the dermis and the deeper layer which is the reticular layer supplies the skin with oxygen and nutrients
Explanation:
Front
The dermis layer is made up of two layers which are the Papillary and reticular
The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the
The top of the papillary layer where it joins the epidermis is the
Back
The dermis layer is made up of two layers which are the Papillary and reticular
The deeper layer of the dermis that supplies the skin with oxygen and nutrients is the Reticular layer
The top of the papillary layer where it joins the epidermis is the Epidermal-dermal junction
Fred and Joe, two unrelated, mature male gorillas, encounter one another. Fred is courting a female. Fred grunts as Joe comes near. As Joe continues to advance, Fred begins drumming (pounding his chest) and bares his teeth. Joe then rolls on the ground on his back, gets up, and quickly leaves. This behavioral pattern is repeated several times during the mating season. Choose the most specific behavior described by this example:_____
a. fixed action pattern
b. learned behavior
c. territorial behavior
d. agonistic behavior
e. social behavior
Explanation:
Animals have confrontations just like humans do. And while they certainly don't fight over who gets the last bagel at the coffee shop, they do have conflict over food resources, partners, and territorial spaceThese conflicts are often settled through agonistic behaviour, which comes from the Greek 'agon' for 'struggle.' This type of behaviour includes threatening displays and ritualistic fighting between the individuals involved in the confrontationAgonistic behaviour often looks violent but is rarely so. This is because if a true fight were to break out between the individuals, both would run a high risk of getting hurt. Therefore, it's safer for both parties to 'fight' in an exaggerated, ritualized wayIf they are involved in a conflict over a mate, a bite would quickly end the conflict for one of them. But if both snakes decide to chomp down, then everyone loses because both snakes will dieHence, the right answer is option d "Agonistic behaviour"
During which of the following phases of the moon does the lit surface of the moon appear to be increasing?
• First quarter moon
Third quarter moon
Waning gibbous moon
Waxing gibbous moon
You want to study divergence of populations, and you need to maximize the rate of divergence to see results within the period of your grant funding. You will form a new population by taking some individuals from a source population and isolating them so the two populations cannot interbreed. What combination of characteristics would maximize your chance of seeing divergence in this study? Why?
Answer:
These three features will maximize genetic diversity in the new population:
1.To investigate species with many offsprings in each generation
2.To use individuals localized in the extremes of the distribution to conform the new population
3.To localize the new population in an ideal environment in order that organisms can reproduce between them
4. An energy charge (EC) of 0.9 is roughly 80% ATP, 17% ADP, and 3% AMP. At this EC, ____ enzyme activities are low, and ____ enzyme activities higher. a. ATP generating; ATP utilizing b. ATP generating; NADH producing c. ATP utilizing; ATP generating d. ATP utilizing; NADH producing e. NADH producing; ATP generating
Answer:
a. ATP generating; ATP utilizing
Explanation:
The energy charge is defined as the chart or index which is used to measure the energy of any biological cell.
This concept was proposed by the Atkinson and Walton in 1968 based on the principle that energy is stored in the adenine nucleotide in an organism that is ATP, ADP and AMP.
2 ADP= ATP+ AMP or ATP+ 1/2 ADP/ ATP+ADP+AMP
The energy charge value lies between the 0.6 to 1.0 and if the value rises towards the 1, suggests that the ATP demanding reaction is occurring more than the ATP synthesizing reactions.
Therefore in the given question, when the EC is 0.9, the ATP generating enzymes are low compared to the ATP demanding enzymes.
Thus, Option-A is correct.
If you stand closer to a concave mirror than a distance of one focal length, the image you see is
a.
real and inverted.
b.
real and upright.
c.
virtual and upright.
Answer:
The answer is C.Virtual and upright..
when you stand closer to a concave mirror than a distance of one focal length, the image you see is virtual and upright.
When an object is closer to a concave mirror than its focal length, the Rays from a common point on the object are reflected in a way that they appear to be coming from behind the mirror, that is the image is virtual and it cannot be projected. As with a magnifying glass, the image is upright and larger than the object.
When the reflection of an object is seen in a plane mirror, the distance from the mirror to the image is largely depends on the distance from the object to the mirror.
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Some birds are known as honey guides because they may be followed by humans to wild beehives. When the humans take honey from the hives, the birds are able to feast on the honey and bees, too. This type of relationship can best be described as ____. Question 1 options: parasitism commensalism mutualism symbiosis
Answer:mutualism
Explanation:
In a mutualistic relation,both organisms involved benefit from the activities of each other. The benefits may be nourishment,shelter, protection etc.
In the above example,the birds are known to guide humans by responding to specific calls made by the human. They guide humans to beehives and then in return gets to feed on left over honey. Both the bird and human benefits by getting nourishment.
Mutualism is unlike parasitism where one of the organism involved benefits and the other organisms Is most likely harmed. It is also not commensalism, where one organism benefits and the other neither benefits nor is harmed
During a certain time of the year, the angle of the sun's rays at location C is smaller than the angle of the sun's rays at location D. Which location experiences cooler temperatures at that time?
Location C, because the smaller angle means the sunlight is spread out over more area
Explanation needed.
Location D, because the larger angle means the sunlight is spread out over more area
Location C, because Earth is tilted away from the sun at this time
Location D, because Earth is tilted towards the sun at this time
explanation needed
Answer: The correct answer is C: "Location C because Earth is tilted away at this time"
Explanation: The question is "During a certain time of the year, the angle of the sun's rays at location C is smaller than the angle of the sun's rays at location D. Which location experiences cooler temperatures at that time?" Meaning that they want you to tell them which location is cooler. If there are less sun rays shining on a location it would mean it isn't that warm. The one the matches that is location C. I hope that makes sense.
Whoever sees this. I hope you pass!
Final answer:
Location C experiences cooler temperatures because the smaller angle at which the sun's rays strike leads to the solar energy being spread out over a larger area, thus reducing its intensity compared to location D, where a larger angle of sunlight results in more concentrated warmth.
Explanation:
The temperature at a given location on Earth is greatly influenced by the angle of the sun's rays that strike the surface. In the scenario provided, location C experiences cooler temperatures compared to location D because the sun's rays hit at a smaller angle. This lesser angle means that the solar energy is spread out over a larger area, resulting in diluted sunlight and, consequently, lower temperatures. On the other hand, at location D, where the angle of sunlight is larger, the energy is more concentrated, and temperatures tend to be warmer.
The concept is similar to holding a flashlight against a wall: when the light is perpendicular, it creates a small, intense spot, whereas tilting it reduces the intensity of the light as it covers a larger area. Therefore, regions closer to the equator, where sunlight strikes at a nearly 90° angle, experience higher temperatures compared to those closer to the poles, where the sunlight strikes at a sharper angle and spreads over a wider area, creating cooler conditions.
identify which form of energy is represented by each image
Answer:The first one is motion energy. Second is vibrational energy.Third is elastic potential energy
Explanation:
Answer:
Explanation:Elastic potential energy is the energy stored by an object when its shape and size are changed. Motion energy is a form of energy associated with a moving object. Vibrational energy is an energy that moves in the form of vibrations, or waves.
The term cerebral dominance designates the hemisphere that is dominant for language. True or False
Answer:
The answer is true.
Explanation:
The brain is divided into the hemispheres, the left hemisphere and the right hemisphere. Cerebral dominance is the act of one hemisphere having the control of the functions such as which hand to use, speech etc. So the term cerebral dominance does designate the hemisphere that is dominant for language. The answer is true.
I hope this answer helps.
Answer:
The correct answer is "True".
Explanation:
Cerebral dominance is a term used to designate the hemisphere that is dominant for language. There is a functional inequality between the two hemispheres of the brain, and cerebral dominance is a concept that is related to this. Cerebral dominance refers to differences in incognitive functions, including the language and its related abilities, such as speaking, comprehending spoken language, spatial world, among others.
Watson, Detra, Fox, Ewing, Gearhart, and DeMotts (1996) administered two self-report alcoholism measures to 118 volunteers recruited from a Veterans Administration Medical Center. At approximately the same time, they asked the volunteers to complete the Diagnostic Interview Schedule. The study is an example of
Answer:
concurrent evidence of validity
Explanation:
Based on the scenario being described within the question it can be said that the study is an example of concurrent evidence of validity. This is a type of evidence that is collected in order to support the use of another specific test that predicts an outcome. This is what the researchers are doing by making the volunteers complete the Diagnostic Interview Schedule which allows them to make accurate diagnostics for their other study.
_________ is used by ecologists to describe the community interaction where one organism makes the environment more suitable for another organism?
Options for the question have not been given. They are as follows:
A) parasitism
B) mutualism
C) inhibition
D) facilitation
E) commensalism
Answer:
D) facilitation
Explanation:
In ecology, facilitation is used to describe community interaction between two species in which at least one of the species is benefited. One species "facilitates" survival of another species and hence the term facilitation. They can provide facilitation by providing them refuge from predation, competition, physical stress etc.
Facilitation is broadly of two types, mutualism and commensalism. In mutualism, both the interacting organisms are benefited. In commensalism, one organism is benefited and another one is neither benefited nor harmed.
One of Loraine's friends, Marie, started purchasing raw, unpasteurized milk for her children. Marie insists that pasteurization reduces the nutritional quality of milk and raw milk contains phytochemicals that are destroyed during pasteurization. What should Loraine tell her friend about pasteurization?
The given question is incomplete, the complete question is:
One of Loraine's friends, Marie, started purchasing raw, unpasteurized milk for her children. Marie insists that pasteurization reduces the nutritional quality of milk and raw milk contains phytochemicals that are destroyed during pasteurization. What should Loraine tell her friend about pasteurization?
A: The pasteurization process heats foods to kill pathogenic microorganisms and reduce the total number of bacteria.
B: The pasteurization process denatures protein and kills harmful prions.
C: The pasteurization process evenly distributes fat particles throughout the milk so the cream doesn't rise to the top of the milk.
D: The pasteurization process releases bound calcium and increases absorbable dietary calcium in cow's milk.
Answer:
The correct answer is option A, that is, by the process of pasteurization food is heated in order to eliminate the pathogenic microbes, which eventually diminishes the bacterial number.
Explanation:
The process by which some of the components of food like dairy products and juice are heated slightly so that the harmful bacteria and pathogens get eliminated from the food is known as pasteurization. It is important to kill such bacteria and pathogens as it may cause certain diseases after consumption.
Pasteurization is the process of treating non-packaged and packaged foods with a mild heat, which is generally less than 100 degree C. The process helps in extending the shelf-life of the food product by eliminating the harmful bacteria and pathogens from it.
Final answer:
Pasteurization is a process used to kill heat-sensitive pathogens in milk and other food products while maintaining their quality. It does not significantly impact the nutritional quality of milk. The claim that raw milk contains phytochemicals that are destroyed during pasteurization is not accurate.
Explanation:
Pasteurization is a process used to kill heat-sensitive pathogens in milk and other food products while maintaining their quality. It involves heating the milk at a high temperature for a specific time period to reduce the number of disease-causing microorganisms. However, pasteurization does not completely eliminate all microorganisms, therefore, it is still important to handle and store pasteurized milk properly to prevent any potential contamination. The claim that raw milk contains phytochemicals that are destroyed during pasteurization is not accurate, as pasteurization primarily affects microorganisms and does not significantly impact the nutritional quality of the milk.
Which is an example of codominance?
Answer:A
Explanation:Both traits show in the offspring
Answer:
A.
Explanation:
Co-dominance will cause the offspring to show features from both parents.
Each figure shows an example of energy changing form.
List the energy changes that take place in each example
Answer:
What figures.... Cant help you here.
A uyuyiyuyiyuigyguhyiojjuiuiuoiopipkiko
Las bacterias están presentes en todos los alimentos ¿Qué ocurrirá con su metabolismo si refrigeramos o congelamos el alimento? ¿Por qué es importante mantener la cadena de frío?
Answer:
Si refrigeramos o congelamos el alimento, las bacterias presentes en ellos tendrán un metabolismo más lento, incluso llegando al punto de la muerte por encima de temperaturas a las cuales no les es posible vivir. Es importante mantener la cadena de frío para que las bacterias no tengan lugar a su reproducción.
Explanation:
Las distintas bacterias que pueden estar presentes en los alimentos tienen distintos parámetros que hacen que sea posible su vida y reproducción. En cuanto a la temperatura, es un factor muy importante ya que podemos encontrar bacterias termolábiles o termoresistentes según puedan vivir en las variaciones de temperatura. La mayoría de ellas no resiste temperaturas frías de refrigeramiento o congelamiento, motivo por el cual los alimentos se conservan así. De esta forma reducimos el riesgo de padecer Enfermedades de Transmisión Alimentaria. La cadena de frío por su parte permite que esa temperatura sea constante a lo largo de todo el procesamiento, transporte y disposición de los alimentos.
One alternative to autoclaving for sterilization of liquids is filtration. Imagine that you are using a filter to sterilize a drug solution. You use a filter with a 0.22 μm pore size that traps cells. Which of the following microbes will effectively be removed by this filter? Select all that apply. View Available Hint(s) Select all that apply. small viruses yeast E. coli fungi
Answer:
Yeast, fungi, and E. coli.
Explanation:
Filter with a 0.22 μm size will filter out the drug solution and remove effectively yeast, fungi and E. coli but it can not remove effectively the small viruses because the size of small viruses are in nano meter while the filter pore size is 0.22 μm.
So, virus will not remove effectively from filter while yeast size is 3 - 4 μm, fungi size is 2 - 10 μm which can remove easily.
Neville has low blood pressure and his pituitary started producing a hormone to maintain water balance. His blood pressure eventually returned to normal. Which best describes what might happen next?
Answer:
negative feedback will stop the release of this hormone
Explanation:
Based on the scenario being described within the question it can be said that the next scenario that will take place would be that negative feedback will stop the release of this hormone. A negative feedback loop continously occurs within your body in order to control and maintain temperature, pH, hormone levels, blood sugar and other internal variable levels. Thus making sure your body is running at it's best.
Answer:
I think it’s negative feedback will stop the release of this hormone.
Explanation:
(We’ll see if I get it right)
Acetylcholine binds to a GPCR on heart muscle. The activated receptor stimulates a trimeric Gi protein, which opens a K channel in the plasma membrane. Following stimulation with Acetylcholine, what impact on heart rate would you expect from each of the following?
Answer:
Generates a reduction in heart rate.
Explanation:
These channels, initially called K (Ach), slow the pacemaker cell's depolarization and decrease the heart rate.
Help please I need help
During a field trip, an instructor touched a moth resting on a tree trunk. The moth raised its forewings to reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings. One student answered that sensory receptors had fired and triggered a neuronal reflex culminating in the contraction of certain muscles. A second student responded that the behavior might frighten predators. Which statement best describes these explanations?
A) The first explanation is correct, but the second is incorrect.
B) The first explanation refers to proximate causation, whereas the second refers to ultimate causation.
C) The first explanation is biological, whereas the second is philosophical.
D) The first explanation is testable as a scientific hypothesis, whereas the second is not.
E) Both explanations are reasonable and simply represent a difference of opinion.
Answer:
During a field trip, an instructor touched a moth resting on a tree trunk. The moth raised its forewings to reveal large eyespots on its hind wings. The instructor asked why the moth lifted its wings. One student answered that sensory receptors had fired and triggered a neuronal reflex culminating in the contraction of certain muscles. A second student responded that the behavior might frighten predators. Which statement best describes these explanations? B) The first explanation refers to proximate causation, whereas the second refers to ultimate causation.
Explanation:
The proximate causation is the immediately responsible for causing, but the ultimate causation is the actual real cause. The sensory receptors that trigger a neuronal reflex culminating in the contraction of muscles is definitely the proximate causation. If we go further, the ultimate causation is what the second student said: the behavior might frighten predators