Answer:
a
Explanation:
Answer:
A. C, and D
Explanation:
A: it inserts that type of virus into your body so your immune system learns how to defend your body from it.
C: Your body produces some type of small organism cell or whatever it is to work and fight against that specific virus.
D: Yes, the vaccine is basically the virus but a test so your body learns how to fight it.
Secondary succession is most likely to occur
on a new volcanic island.
after a forest fire.
with pioneer species.
if a glacier shrinks.
OOOO
Answer:
after a forest fire
Explanation:
Secondary succession occurs after a climax community is completely destroyed by an event and the only thing that remains is the dirt.
When an oceanic plate collides with a continental plate:
A- The oceanic plate is forced beneath the continental plate
B- The oceanic plate is folded into mountain ranges
C- Both plates sink into the fluid mantle
D- Both plates are folded into mountain ranges
When an oceanic plate collides with a continental plate: - A- The oceanic plate is forced beneath the continental plate.
The oceanic plate is subducted under the continental plate due to the high density of the oceanic plate when an oceanic and a continental plate collide.
In this process, the oceanic plate will bend and slide under the other.This happens because the oceanic plate is denser (heavier) than the continental plate.This process is called subduction that forms a deep ocean trench at this subduction boundary.It forms a subduction zone.Thus, When an oceanic plate collides with a continental plate: - A- The oceanic plate is forced beneath the continental plate.
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Physical removal of an invasive species is an example of _______.
a.
mechanical control
c.
biological control
b.
chemical control
d.
all of the above
Answer:
A. Mechanical
Explanation:
Answer: The Answer Is A Mechanical Control
which best defines carrying capacity
____resemble grasses. Their leaves are not branched but rather parallel.
A.Dicots
B.Monocots
Answer:
B.Monocots
Explanation:
There are two types of cotyledon i. e. Monocotyledonous (monocot) and Dicotyledonous (dicot). In monocot, only one cotyledon is present while in dicot two cotyledons are found. Veins in leaves of monocot are parallel to each other and they have adventitious roots system while in dicot, network of veins are present in leaves and they have tap root system.
Plant genetics please
Answer:
Vegetative Reproduction
Explanation:
An environmental factor that causes a population to decrease is called a ____________.
Answer choices:
Limiting factor
Competition
Carrying capacity
Symbiosis relationship
Answer:
It is limiting factor and competition.
Final answer:
An environmental factor that reduces a population size is a 'limiting factor'. These include insufficient resources such as food or space, and also factors like disease and predation that can impede population growth and help maintain the population at its carrying capacity.
Explanation:
An environmental factor that causes a population to decrease is called a limiting factor. Limiting factors are elements in the environment that can lower the population growth rate by reducing resources or introducing challenges that affect survival rates. Common limiting factors include low food supply, lack of space, insufficient water or nutrients, disease, and predation. If more and more individuals are added to an environment without an increase in essential resources, not all can survive, similar to a scenario where 24 people try to share 12 hamburgers and eventually, not everyone can eat. Therefore, when a population faces limiting factors, growth is no longer exponential. Instead, it follows a logistic growth pattern, also known as S-curve, where the population levels off at a carrying capacity, which is the maximum population size that the habitat can sustain.
1. An animal is found that is asymmetrical, has no tissues or organs, and is full of holes. This
animal probably belongs in which phylum?
A. Porifera
C. Platyhelminthes
B. Cnidaria
D. Nematoda
Answer:
The answer is A. Porifera
Explanation:
Those asymmetrical animals have sac-like bodies that lack tissues, and are usually interpreted as representing the cellular level of evolution
Which statement correctly reflect on genetic engineering
chem unit 3 test Flashcards | Quizlet hopefully this will help you find the answer!
Please help!!! It's really important!!!
Answer:
Allele g is recessive, so over time, Allele G is expressed more and more (allele G is dominant) through either homozygous dominant (GG) or heterozygous dominant (Gg) while allele g is only expressed when there is an homozygous recessive (gg).
Explanation:
35
Which of the following is NOT true about blood typing?
a. It is quicker and less expensive than DNA profiling
b. It identifies the presence or absence of particular proteins embedded in the cell
c. It can provide class evidence to a forensic investigator
d. It can help determine the manner in which a victim died
e. All of the above are true
Answer:
d
Explanation:
The incorrect statement about blood typing is that it can help determine the manner in which a victim died. Information about the cause or manner of a victim's death is usually derived from an autopsy, not blood typing.
Explanation:The statement that is NOT true about blood typing is option d: 'It can help determine the manner in which a victim died'. While blood typing can be particularly useful in forensic investigations for identifying individuals, determining kinship, or excluding individuals as potential sources of biological evidence, it does not provide any information on the manner of death. Detailed information about cause or manner of death is typically obtained through a complete autopsy and not merely by examining blood type.
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The material that makes up chromosomes is ?
Answer:
DNA molecule
Explanation:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure.
What anatomy is the study of similarities and differences in organisms structures
Answer:
Comparative anatomy.
Explanation:
Comparative anatomy is a branch of science in which we study about similarities and differences present in different organisms. This type of study is very important for the classification of living organisms. Comparative anatomy tells us about the evolution of an organism. Scientists study DNA, embronic structure and the internal structure of species to see the evolution of different organisms.
Final answer:
Comparative anatomy is a field of biology that investigates the structural similarities and differences among various species to deduce their evolutionary relationships, using homologous and analogous structures as evidence for common ancestry and evolution.
Explanation:
Comparative anatomy is the branch of biology that studies the similarities and differences in the structures of different species. Researchers examine the structures within various organisms to determine if their features are homologous, inherited from a common ancestor, or analogous, serving similar functions but not derived from a common ancestor. Such studies provide substantial evidence for the theory of evolution, revealing how closely related different organisms might be through their shared ancestral traits. These homologous structures, like the bone patterns in the limbs of mammals, suggest a common lineage, even if the limbs now serve different functions.
To clarify, the bones in the human arm, the wing of a bird, the fin of a whale, and the forelimb of a lizard, despite their different current uses, all originated from the same ancestral structure. Thus, comparative anatomy not only highlights the diversity of life but also underscores the underlying connections between species, offering insights into their evolutionary history.
“Whole genome sequencing increases the effectiveness of the treatment.” Which sentences support this information?
Select all that apply.
People can have personalized treatment plans.
The genome has vast information to interpret.
The roles of most of the genes are still unknown.
Physicians can diagnose diseases in early stages.
Answer:
the second sentence and the 4th one
I really forgot this one but have a feeling its these ones if you know anymore information then i do combine the 2 information.
Explanation:
Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?
Answer:
Which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll?
Chemiosmotic mechanism
Explanation:
8. What can be concluded from the evidence that coughs and sneezes are natural
reflexes and from the evidence that our immune system attacks allergens ?
D
9. What two possible reasons for the increase in allergies are explained in the passage?
Use evidence from the text to support your answer.
10. What can be concluded about the increase of allergies in the future? Use the
evidence from the text to support your answer.
Answer and explanation:
8. What can be concluded from the evidence that coughs and sneezes are natural reflexes and from the evidence that our immune system attacks allergens?
Coughing and sneezing are natural defense mechanisms that consist of the sudden expulsion of air from the respiratory tract, with the intention of expelling any substance harmful to the body.
Allergies are the product of an exaggerated response of the body to the presence of environmental substances, such as dust, fungi and pollen, called allergens. This abnormal response is caused by an immune system previously sensitized to these substances.
Under normal conditions, the immune system is designed to defend an individual against potentially harmful elements. Coughs and sneezes are natural defense mechanisms, which are exaggerated in allergy sufferers.
9. What two possible reasons for the increase in allergies are explained in the passage?
- "Some scientists think our immune systems don't have enough to do ..." "... when our immune system have fewer germs to fight, they can get confused".
According to the excerpt, an immune system that has been inactive due to less contact with germs, looks for a way to attack any substance foreign to the body, which would be a mechanism that promotes the presence of the allergic response.
The confusion of the immune system would be given in some people by reacting in an unusual way to environmental stimuli or food, which do not affect the majority of people.
- ... "weather is warmer for longer periods now, so plants bloom longer .. release pollen, which is a common allergen".
Plant pollen is considered an aeroallergen capable of producing the response with sneezing or coughing in sensitive people.
Other evidence implies an increase in the amount of aeroallergens, as a consequence of the temperature change. A warm temperature for long periods of time promotes flowering in plants more frequently, and there is more pollen dispersed in the environment.
10. What can be concluded about the increase of allergies in the future?
In the text it can be clearly seen how, according to statistical data, the presence of allergies in more people has increased over time.
Many factors may induce an increase in the number of allergic patients in the future, such as the example provided by the passage of children less exposed to germs due to the use of increasingly available medications.
In the past, there were fewer allergies because the immune system remained active to defend the body without the help of drugs.Additionally, the increase in processed food products may be a factor that in the future increases the appearance of allergies in the population. Again, the environmental factor plays a determining role. Over time, many climatic changes occur, which, combined with environmental pollution, may lead to increased allergies in the future.In the images below you will find the information of the article about allergies.
Coughs and sneezes are natural reflexes that help expel irritants while our immune system attacks allergens. The increase in allergies can be attributed to the hygiene hypothesis and genetics. Allergies are expected to continue increasing in the future.
Explanation:The evidence that coughs and sneezes are natural reflexes suggests that they are part of our body's defense mechanisms to expel irritants or pathogens. Similarly the evidence that our immune system attacks allergens indicates that it recognizes them as harmful substances and launches an immune response to protect the body. In the passage two possible reasons for the increase in allergies are explained. The first reason is the hygiene hypothesis which suggests that reduced exposure to pathogens in childhood may lead to an overactive immune response to harmless substances. The second reason is the role of genetics, as allergies can be inherited. Based on the evidence from the text, it can be concluded that allergies are likely to continue increasing in the future. The passage mentions the rise in prevalence and the need for more effective allergy treatments, indicating that the problem is expected to persist.
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Which of the peas traits yellow or green, is dominant? Explain your answer
Final answer:
In pea plants, the yellow seed color (Y) is dominant over the green seed color (y); thus, crossing true-breeding yellow and green pea plants will result in F1 offspring all having the dominant yellow phenotype.
Explanation:
Among the traits for pea seed color, the yellow trait (Y) is dominant over the green trait (y). This is evidenced by the cross of true-breeding parents in the P generation, where plants with the yellow phenotype (YY) are crossed with plants that have the green phenotype (yy).
The result of this cross produces F1 offspring that are all heterozygous (Yy) and demonstrate a yellow phenotype, indicating that yellow is dominant as it masks the expression of the green trait.
When you perform this cross, you would expect the F1 offspring to all possess the yellow seed phenotype. This is confirmed in a Punnett square analysis, which predicts the genotypes of the F2 generation, showing a 3:1 ratio of yellow to green phenotypes in the F2 offspring from the F1 heterozygotes.
The F1 offspring receive one allele for yellow seed color (Y) from the yellow parent and one allele for green seed color (y) from the green parent. However, since yellow (Y) is dominant, all F1 offspring display the yellow phenotype despite being heterozygous.
Why do dark-colored shirts get hotter in the sun than light-colored shirts!
O A. Dark-colored shirts reflect less radiation.
O B. Dark-colored shirts absorb more convection.
O
C. Light-colored shirts conduct heat better.
O
D. Light-colored shirts absorb more radiation.
It’s a
Why do dark-colored shirts get hotter in the sun than light-colored shirts!
Answer:
O A. Dark-colored shirts reflect less radiation.
Explanation:
Darker shirts absorb more heat then the light colored shirts because of the light energy. Dark colored shirts reflect little solar light and heat energy but get hotter in the end.
Due to the light energy, darker shirts absorb more heat than lighter shirts, hence option A is correct.
How do dark-colored shirts get hotter in the sun?Light-colored clothing reflects the majority of visible wavelengths, which reduces heat absorption. Contrarily, clothing that is darker or blacker absorbs more wavelengths and heat, making it warmer to wear.
On the day, you walk, dash to make it to the bus on time, go to lunch, and the shirt ends up soaking all the sunlight.
This light is transformed into different types of energy because it does not just vanish heat enters and is then released.
Therefore, because black clothing is a superb light absorber, it will thus produce more heat the darker it is, hence option A is correct.
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As a parent or caregiver of a preschooler, if you notice the child is losing skills they once had or development starts to slow down you should do which of the following?
Answer:
help them remember their once learned skills by practicing memory retaining games such as flashcards, board games, anything that'll seem like fun while they learn. if the problem exceeds to the limits of your help alone, seek professional help. It's unlikely for a child at that age to be forgetful of things like brushing their teeth or walking.
Explanation:
If a caregiver notices a preschooler losing previously acquired skills or a slowdown in development, it is crucial to consult with a pediatrician or child development specialist. This could indicate a developmental concern, which could potentially be addressed through early intervention.
Explanation:As a caregiver of a preschooler, if you notice that a child is losing skills they once had or if their development starts to slow down, you should not take this lightly. A range of skills and developmental milestones are associated with certain time frames, and failure to meet these can be an indicator of a potential issue. It is important to consult with a pediatrician or a child development specialist in such cases.
For instance, by the age of 2-3 years, a child starts showing signs of autonomy; they may choose their clothes, food, or toys. If you observe a reversal in such behaviour, it can signal some developmental concern.
Children also display cognitive abilities at certain ages, such as understanding object permanence or realizing certain facts about their environment. Reversal or stagnation in such cognitive abilities could be a cause for concern.
It is therefore important not to ignore such signs, but to communicate and address these through early intervention with specialized professionals. The goal is to promote healthy development and ensure the well-being of the child.
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Fundamental differences in the cell, the basic unit of life, allow for the broadest classification of all living organisms into three domains: Bacteria, Archaea, and Eukarya. Which of the following can organisms NOT be classified on?A: Ability to obtain nutrients B:Mode of reproduction C:Physical characteristics D:Lacking a nucleus
Answer:
Physcical characteristics
Explanation:
Since the question has to do with fundemental classification then it cant have anything to do with physical classificaton.
Physical characteristics alone cannot be used to classify organisms. Therefore, option C is correct.
What is the classification of organisms?The definition of classification is the division of identified species into various groups or taxa based on similarities and differences. The three types of categorization are Phylogenetic classification, Natural classification, and Artificial classification.
Taxonomy, which comprises all plants, animals, and microbes in the world, is the study of naming, characterizing, and categorizing creatures. The seven major taxonomic ranks are kingdom, phylum or division, class, order, family, genus, and species.
Physical characteristics alone cannot be used to classify organisms. Therefore, option C is correct.
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NEED HELP ASAP!!!!!!!!!!!!
Radiation can be _________, transmitted, reflected, or scattered.
absorbed
typed
heard
detectable with your eyes
Radiation can be absorbed, transmitted, reflected, or scattered.
A good example to understand the nature of radiation is the Sun. The sun's radiation is absorbed, transmitted, reflected or scattered by the earth, in order to thrive and maintain a climate suitable for the habitat.
Absorption is also called the "interaction of light with matter". When this happens, absorption, light is converted into heat energy. This phenomenon can be explained through an example: during summer people avoid wearing black clothing since it absorbs light and gets very hot.
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which of the following enzymes catalyzes the linkage together of rna nucleotides to form rna? robosome, polymerase,ligase reverse transcriptase
Answer: polymerase
Explanation:
RNA polymerase is the enzyme that is responsible for the formation of new RNA. This enzyme catalyzes the linkage between the nucleotides of RNA Thus the correct option for this question would be option B.
What is RNA polymerase?RNA polymerase is the enzyme that is responsible for the formation of new nucleotides which are transcribed into RNA. These are the enzymes that are responsible for copying DNA sequences into RNA during the process of transcription.
This enzyme catalyzes the reaction and instructs them to form the nucleotide sequences for the new RNA molecule. These enzymes play a very important role during the process of transcription and bind with the template DNA strand to make nucleotides for a new RNA molecule.
Transcription is the process of making an RNA molecule from DNA. It is divided into three stages. First is an initiation where the process of transcription starts. The second one is elongation in which the formation of new nucleotides and amino acids takes place and the last one is termination in which the RNA polymerase gives instructions to stop the process.
During this, the nucleotides are transcribed and this is catalyzed by the RNA polymerase enzyme. Thus the correct option for this question is option B.
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What do you notice about earths axis as earth revolves around the sun?
Which of these events is most likely to occur as a result of the solar event pictured above?
Answer:
A: Disruption to electricity power grid.
Why is water clarity an important measure of water quality
A clear water does not contain nutrients
B Underwater plants cannot get enough sunlight in cloudy water
C Fish don’t get enough light when water is cloudy
D Boat captains need to see the bottom for safety
Answer:
b
Explanation:
Which seasons are shown in model B for the Northern and Southern Hemispheres? Explain your answer.
Answer:
The Northern Hemisphere is pointing toward the Sun, so it is summer in the Northern Hemisphere. The Southern Hemisphere is pointed away from the Sun, so it is winter in the Southern Hemisphere.
Explanation:
The seasons in the Northern and Southern Hemispheres are determined by Earth's tilt. In June, it's summer in the Northern Hemisphere due to more direct sunlight and longer days, while it's winter in the Southern Hemisphere. This pattern is reversed in December. Spring and autumn represent more equal sunlight distribution. But, latitudinal location also affects the intensity of seasons.
Explanation:The seasons in the Northern and Southern Hemispheres are determined by the tilt of Earth's axis of rotation. In June, when the Northern Hemisphere 'leans into' the Sun, it is summer in the Northern Hemisphere due to longer days and more direct sunlight, whereas it is winter in the Southern Hemisphere. In December, this pattern is reversed: the Southern Hemisphere receives more direct sunlight and experiences summer, while it is winter in the Northern Hemisphere.
During the spring and autumn equinoxes, both hemispheres receive equal shares of sunlight. Specific dates like June 21 and December 21 represent the summer and winter solstices, respectively, and March 21 and September 21 represent the spring and autumn equinoxes. However, the effects of seasons vary at different latitudes. Near the equator, there's less variation in seasons, whereas in the polar regions, the differences are more pronounced.
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Tides are caused by
a. strong winds that blow over ocean waters
b. the interaction of Earth, the moon, and the sun
c. the shifting of the plates on the ocean floor
d. variations in the salinity of ocean water
Answer:
B. The interaction of Earth, the Moon, and the Sun
Explanation:
The gravitational attraction of the moon causes the oceans to bulge out in the direction of the moon.
The information that is stored in DNA is stored in the
IF 9 PINTS OF ICE CREAM COST $54, HOW MUCH DOES 2 PINTS OF ICE CREAM COST?
If 9 pints of ice cream $54 , then 2 pints of ice cream cost is $12.
What us the Calculations of 2 pints price?
Given that,
Price of 9 pints ice cream is $54
Then,
Price of 1 pints ice cream = total price/ no of pints
So,
Price of 1 pints ice cream=54/9=$6
Then ,
Prints of 1 pints ice cream=$6
Now,
Calculations of two pints ice cream
Price of 2 pints ice cream=no of ice cream × Price of one ice cream,
Price of 2 pints ice cream =2×6,
Price of 2 pints ice cream=$12.
What us the Calculations of 2 pints price?Given that,
Price of 9 pints ice cream is $54
Then,
Price of 1 pints ice cream = total price/ no of pints
So,
Price of 1 pints ice cream=54/9=$6
Then ,
Prints of 1 pints ice cream=$6
Now,
Calculations of two pints ice cream
Price of 2 pints ice cream=no of ice cream × Price of one ice cream,
Price of 2 pints ice cream =2×6,
Price of 2 pints ice cream=$12.
Therefore if 9 pints of ice cream $54 , then 2 pints of ice cream cost is $12.
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how does the photosynthesis equation and the cellular respiration equation explain why the total amount of O2 and CO2 remains the same?
Explanation:
If you look at the photosynthesis equation, it goes: [tex]6CO_{2} + 6H_{2}O + sunlight -> C_{6} H_{12} O_{6} + 6O_{2}[/tex]
Now the cellular respiration equation goes: [tex]C_{6} H_{12} O_{6} + 6O_{2} -> 6CO_{2} + 6H_{2}O + ATP[/tex]
Do you see the similarity? The only difference in these two is that sunlight is replaced with ATP in the cellular respiration equation, and we can safely assume that the energy used and released in both are the same as the rest of the equations are identical.
The balance of oxygen and carbon dioxide in the atmosphere is maintained through the cyclical relationship between photosynthesis and cellular respiration. The equations for these processes reflect their inverse nature, ensuring that the total amounts of these gases remain the same through a process of recycling and changing forms.
The equations for photosynthesis and cellular respiration are essentially the reverse of each other, maintaining a balance of oxygen (O₂) and carbon dioxide (CO₂) in the atmosphere. During photosynthesis, plants and other autotrophs take in CO₂ and water (H₂O) to produce glucose (C6H12O6) and release O₂ as a byproduct, as per the photosynthesis equation: 6CO₂ + 6H₂O → C6H12O6 + 6O2. Conversely, cellular respiration, carried out by plants, animals, and fungi, utilizes O₂ and glucose to produce energy, releasing CO₂ and H₂O in the process, with the cellular respiration equation being: 6O₂ + C₆H₁₂O₆ → 6CO₂ + 6H₂O.
This cyclical relationship ensures that the total amount of O₂ and CO₂ remains the same, as the substances are recycled indefinitely, changing form but never disappearing. The exchange of CO₂ and O₂ through these processes contributes to the stable levels of these gases in the Earth's atmosphere. This balance is crucial for the functioning of ecosystems, as it enables organisms to access energy either directly from the sun, in the case of photosynthesis, or from the stored energy in carbohydrates, in the case of cellular respiration.