Which of the following statements describes an example of phenotypic plasticity?
Choose 1 answer:
A.A person has brown hair before applying hair dye, and purple hair afterwards.
B.Dog cell develops a mutation that changes the sequence of a gene, resulting in the growth of
a tumor
C.A cactus grows long spines in both drought and non-drought conditions.
D.An arctic fox is brown in summer and white in winter
Final answer:
The example that best illustrates phenotypic plasticity is the arctic fox changing its fur color from brown in summer to white in winter in response to environmental changes. The correct answer is C. A cactus grows long spines in both drought and non-drought conditions.
Explanation:
The phenotypic plasticity is the ability of an organism to change its phenotype in response to changes in the environment. Looking at the provided options, the example that describes phenotypic plasticity is the arctic fox being brown in summer and white in winter. This is because the arctic fox changes its fur color based on seasonal changes, which is a clear response to a change in its environment and is not due to any genetic mutation or artificial alteration.
Some other examples of phenotypic plasticity include plants changing color with different soil acidity or exposure to light and temperature changes. In animals, examples like the crystalline iceplant adjusting its water needs based on environmental conditions or the multiple alleles determining coat color in rabbits showcase how phenotypes can vary under different environmental influences or genetic contexts.
Populations depend on and _____________________ with each other.
Answer:
The correct answer is "compete".
Explanation:
The missing options of this question are:
compete
fight
work
The correct answer is "compete".
Populations are defined as groups of living beings that live in a certain location. Usually, the term population is used to describe groups of persons, but it applies for groups of animals and plants as well. Populations depend on an compete with each other, either for resources, new lands or because they are natural enemies. Populations are constantly competing, which is the base of natural selection.
Answer:
Populations depend on and compete with each other.
Explanation:
The competition between organisms and species is an interaction where both parties are harmed either by an external factor such as territory, water, food ...
Studies show that competition regulates demographic rates between species in an ecosystem.
And according to evolutionary theory, this competition for an external or internal factor is important for natural selection.
Consequently, competition requires species to adapt to change to survive or they will be in danger of disappearing.
What do B cells produce?
Answer:
Each B cell produces a single species of antibody, each with a unique antigen-binding site
Explanation:
Answer:
B cells produce antibodies
Explanation:
Each B cell produces a different type of antibody
what did scientists like Darwin use to group species before DNA? two sentences, please!
They used to group organisms by watching their physical characteristics. For example animals with spines are grouped into vertibrates and organisms without spine are grouped into invertebrates . They also group organisms based on habitatats ( where the organisms live) . For example marine animals live in water and terrestrial organisms live in land. They grouped organisms based on their feeding behaviour. For example producers produce their own food.
Answer: Species May share the same anatomy. Also observing DNA can show likeness with one another.
Explanation:
This is a condition or illness that causes a body to behave irregularly.
Answer: That Condition nor illness would be Huntington's Disease.
Explanation: Hope that helped! [:
A disease is an abnormal change in the body's structure or function, which can range from heart arrhythmia to genetic disorders or psychological conditions.
A disease is a malfunction of any component of the body that can result in an abnormal and undesirable physiological or anatomical change. Examples of these conditions include arrhythmia, which is an irregularity in the heartbeat, and genetic disorders, which are diseases or syndromes caused by mutations in one or more genes or by chromosomal alterations. Another example is a psychological disorder, where there is an ongoing pattern of thought, emotion, and behaviour that causes significant distress and is considered deviant within a person's culture.
What are the four main components of Darwin's theory of
evolution?
Answer:
individuals of a species are not identical; traits are passed from generation to generation; more offspring are born than can survive; and only the survivors of the competition for resources will reproduce
Explanation:
Answer:
There are four principles at work in evolution—variation, inheritance, selection and time. These are considered the components of the evolutionary mechanism of natural selection.
Explanation:
hope this helps!
Which part of cannabis contains the least amount of thc?
A scientist is studying the population of a particular species of beetle in an ecosystem. The beetles currently have an estimated population of 11,500 individuals on a wildlife preserve of 115 hectares. (One hectare is equal to 2.47 acres of land.) The scientist calculates the carrying capacity at 14,600 individuals.
Part A
Factoring a death rate from natural causes and predation, the beetle population increases approximately 5% each year. Use the Table button to create a table showing the estimated population for each year, starting with the current population and stopping when you’ve reached or exceeded the carrying capacity.
Answer/Explanation:
Given an estimated beetle population of 11,500, of which it is estimated to increase approximately by 5% each year, we can calculate the estimated population for each year as follows:
Year Calculation Est. Population
1st yr (current yr) 11,500
2nd yr 11,500*105% 12,075
3rd yr 12,075*105% 12,679
4th yr 12,679*105% 13,313
5th yr 13,313*105% 13,979
6th yr 13,979*105% 14,678
The above is how the table would like showing the estimated population for each year.
Answer:
To find the population of beetles each year, we multiply the previous year’s population by 105% (100% + 5%).
Year Population
1 11,500
2 12,075
3 12,679
4 13,313
5 13,978
6 14,677
Explanation:
answer on PLATO
The Diagram shows part of a prairie food web. Which species in the food web would be subject to the greatest bio-magnification of pesticides applied to the grasses?
A.) Deer
B.) Grasses
C.)Hawks
In a food web, bio-magnification of pesticides happens at each successive level of the food chain. In the given prairie food web, the Hawks would be subject to the greatest bio-magnification as they are the top-level predators feeding on deer, which feed on pesticide-applied grasses.
Explanation:In this food web, the species which would be subject to the greatest bio-magnification of pesticides applied on the grasses would be the Hawks (option C). This is because of a process known as bio-magnification, which is the increase in concentration of a substance, such as pesticides, in an organism at each successive level in the food chain.
Here, the pesticides are first taken up by the grasses. They are then transferred to the Deer when the Deer feed on the grasses. When Hawks subsequently feed on the Deer, the concentration of pesticides further increases. This is why Hawks, being apex predators in this web, accumulate the highest concentration of pesticides.
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Which of the following is a valid benefit of flattening an image in Photoshop?
A. Flattened images are smaller
B.Flattened images allow for copyright protection
C. Flattened images have a higher resolution
D.Flattened images are printer compatible
Answer:
A.
I hope this helps!
Flattening an image in Photoshop has multiple benefits, including smaller file sizes, increased apparent resolution, and printer compatibility.
Explanation:A valid benefit of flattening an image in Photoshop is that flattened images are smaller. When you flatten an image, it combines all the layers into a single layer, which reduces the file size. This is especially useful when sharing or uploading images online. However, it's important to note that flattening an image also removes the ability to edit individual layers.
While flattened images do not directly increase resolution, they can appear to have a higher resolution because of the way the pixels are consolidated. Finally, flattened images are generally printer compatible because they eliminate any transparency or layer effects that may not translate well to print.
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11. What language are most genus and species names?
Answer:
The answer is Latin. Scientist use Latin names.
Joseph is conducting an investigation an how two objects compare in mass, volume, and force with each other. When determining the gravitational between the two objects, which of the following characteristics of the objects should be considered?
Mass
Volume
State of matter
Shape
Answer:
Mass
Explanation:
Joseph is looking at how the mass, volume, and force of two objects compare to one another. When calculating the gravitational force between them and the mass of the object is taken into account.
What is gravitational force?Any two mass-containing objects are attracted to one another by gravitational force. In actuality, everything in the cosmos, including you, is pulling on every other object.
The mass of the objects and their separation from one another determine the gravitational force's strength.
The gravitational pull that different masses have on one another The force of gravity between the objects doubles if one of the masses is doubled grows, the gravitational force diminishes.
Therefore, studying the gravitational force mass of the object is necessary to study, hence option A is correct.
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An obese woman’s body was found in an open field in Norman, Oklahoma. The woman’s body was found lying flat on her back. The average temperature of this area was 70°. how long has she been dead?
Answer:
Explanation:
does it give any other info on the woman or is that it?
The average temperature of an area can give a rough estimate of time since death, but other factors need to be considered for an accurate calculation. Consulting a forensic expert is essential.
Explanation:The average temperature of a given area can provide some insights into the time of death of a person. However, it is important to note that estimating the postmortem interval (time since death) based solely on temperature can be challenging due to many factors. In this case, the average temperature of 70°F in the area can give a rough estimate, but it would be necessary to consider other factors such as body temperature at the time of death, insulation, clothing, body composition, and external factors like shade or direct sunlight. Consulting a forensic expert would be vital in accurately estimating the time since the woman's death.
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How does a DNA molecule determine which proteins are produced by a cell?
Answer:
The sequence of bases in a DNA molecule can determine the order of amino acids in a protein molecule. Groups of three bases called triplets represent different amino acids. This is the basis of the genetic code . A sequence of bases (genetic information) on DNA that codes for a protein is called a gene .
Explanation:
Which organisms in the food web are primary consumers?
Answer:
i would say the Aphid, dragonfly, and sparrow .(sorry if i missed one)
Answer: it’s Aphid and Caterpillar
Explanation:
NEED HELP NOW pls!!!Calculate the percentage of coral species in the Indo-Pacific Ocean that can grow at a depth
greater than 39m
Answer:
53%
Explanation:
The correct answer would be 53%
Considering the Indo-Pacific Ocean alone, the total percentage of coral species that can grow at a depth greater than 39 m starts from 40 - 59 bar till the last bar. The respective percentage in each bar is calculated below;
40 - 59 = 40
60 - 79 = 7
80 - 99 = 4
100 - 119 = 1
120+ = 1
Hence, the percentage of coral species in the Indo-Pacific Ocean that can grow at a depth greater than 39 m = 40 + 7+ 4 + 1 + 1 = 53%
Which of the following best describes the main purpose of the sequences of nitrogenous bases in DNA? *
A gives DNA the shape needed for translation
B prevents mutations when coding for amino acids
C forming the hydrogen bonds between bases
D carries instructions for the traits of an organism
The sequences of nitrogenous bases present in the DNA is that they carry instructions for the traits of an organism. The information is passed in the form of DNA to next generation. Thus, the correct option is D.
What are Nitrogenous bases?Nitrogenous base is a molecule which contains nitrogen and has specific chemical properties of base. Nitrogenous bases are classified into two types on the basis of ring present: a. Pyrimidine b. Purine.
Purine is a heterocyclic compound composed of a pyrimidine ring fused with an imidazole ring. It includes Adenine and Guanine. Pyrimidine is a heterocyclic compound that is composed of carbon and hydrogen similar to pyridine. It includes Cytosine, Thymine and Uracil.
Nitrogenous bases are important as contain the information to be transferred to offspring and they also used as energy carriers in biochemical reactions.
Therefore, the correct option is D.
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What type of energy transformation takes place during photosynthesis?
A. Chemical energy is converted into light energy,
B. Chemical energy is converted into chemical energy.
c. Light energy is converted into chemical energy,
Answer:c
Explanation:the process of it
Answer: "C. Light energy is converted into chemical energy."
Explanation:
Photosynthesis is the process used mainly by plants by turning light energy (sunlight) into chemical energy (glucose + oxygen) that is later used to fuel themselves, similar to how humans eat food and drink water to fuel themselves.
The actual formula for photosynthesis is as follows:
[tex]6CO2 + 6H2O + light --> C6H12O6 + 6O2[/tex]
Identifying the functions of the structures of the excretory system:
Identify the functions of the labeled parts
A
B
C
D
possible answers
produces urine
carries urine to the bladder
stores urine temporarily
excretes urine out of the body
Answer:
A Carries urine to the bladder
B excretes urine out of the body
C stores urine temporarily
D produce urine
Explanation:
Answer:
✓A: carries urine to the bladder
✓B: excretes urine out of the body
✓C: stores urine temporarily
✓D: produces urine
EXPLANATION: Its verified
How long did it take to develop the first life forms?
Answer:
The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years, or even 4.5 billion years; not long after the oceans formed 4.41 billion years ago, and after the formation of the Earth 4.54 billion years ago.
Explanation:
Which of the following is a decomposer?
According to an answer from another and a bit of my own research;
A decomposer is exactly what it sounds like, an organism that decomposes something and feeds off of it. You can eliminate the answers "Owl" and "Hawk" from a first glance as they are both consumers. Looking at it again, an "Ant" is not a decomposer, but rather, a consumer just like your other two options. This leaves "Fungus", something that decomposes it's food.
Please forgive me if I'm wrong. Feel free to ask for more information and I will scour the internet to see what I can find. <3
[bloominginthedark/bloom]
Answer:
B. Fungus
Explanation:
Most fungi are decomposers called saprotrophs. They feed on decaying organic matter and return nutrients to the soil for plants to use. Fungi are the only decomposers that can break down wood and the cellulose in plant cell walls, so they are the primary decomposers in forests
Hope it helps!
please help very easy, will brainly, and etc
Answer:
B is the answer.Explanation:
There is an abundance of butterflies - this is because the butterflies correspond to the violet flowers.
Every sperm and egg is not identical because?
Because of the genetic material.
Because each sperm and egg has different genes.
how is a scientific law different from other laws in society?
a. a scientific law is what scientists have decided should be forced to happen in nature.
b. a scientific law is a rule about how to treat and punish people.
c. a scientific law serves to protect people, property, and nature from harm.
d. A scientific law describes what always happens under specific conditions in nature.
Answer:
D
Explanation:
Answer:
D I’m taking the same test
Explanation:
What is Immigration
Answer:
the answer is B i am confident
What can conservation biology and restoration ecology accomplish (according to the video)? 1. Preserving endangered species 2. Conserving ecosystems and remediating pollution 3. Saving ourselves from ourselves 4.
Restore balance to biogeochemical cycles
Conservation biology and restoration ecology can accomplish all of the options listed.
Option 4 is correct.
Preserving endangered species: Conservation biology focuses on understanding and preserving endangered species by studying their populations, habitats, and threats they face.
Conserving ecosystems and remediating pollution: Conservation biology and restoration ecology play crucial roles in conserving ecosystems and addressing environmental pollution.
Saving ourselves from ourselves: This statement implies that conservation biology and restoration ecology address the human impacts on the environment and aim to mitigate the negative consequences of human activities.
Restore balance to biogeochemical cycles: Restoration ecology focuses on restoring the natural functions and processes of ecosystems, including biogeochemical cycles such as the carbon cycle, nitrogen cycle, and water cycle.
complete question:
What can conservation biology and restoration ecology accomplish (according to the video)? 1. Preserving endangered species 2. Conserving ecosystems and remediating pollution 3. Saving ourselves from ourselves 4. All of the above
Would you expect an anima with the scientific name Rania onca to look similar to a Jaguar?
Jaguar
The jaguar (Panthera onca) is a large felid species and the only extant member of the genus Panthera native to the Americas. The jaguar's present range extends from Southwestern United States and Mexico in North America, across much of Central America, and south to Paraguay and northern Argentina in South America. Though there are single cats now living within the Western United States, the species has largely been extirpated from the United States since the early 20th century. It is listed as Near Threatened on the IUCN Red List; and its numbers are declining. Threats include loss and fragmentation of habitat.
Overall, the jaguar is the largest native cat species of the New World and the third largest in the world. This spotted cat closely resembles the leopard, but is usually larger and sturdier. It ranges across a variety of forested and open terrains, but its preferred habitat is tropical and subtropical moist broadleaf forest, swamps and wooded regions. The jaguar enjoys swimming and is largely a solitary, opportunistic, stalk-and-ambush predator at the top of the food chain. As a keystone species it plays an important role in stabilizing ecosystems and regulating prey populations.
While international trade in jaguars or their body parts is prohibited, the cat is still frequently killed, particularly in conflicts with ranchers and farmers in South America. Although reduced, its range remains large. Given its historical distribution, the jaguar has featured prominently in the mythology of numerous indigenous American cultures, including those of the Maya and Aztec.
The diagram below shows the flow of organic matter through an ecosystem.
Put the organisms in order to show a path organic matter can follow as it moves from small fishes to crabs.
Answer:
small fish, tuna fish, dead animal material, crabs
Explanation:
Answer:
small fish, tuna fish, dead animal material, crabs
Explanation:
During a descriptive investigation, the main thing you are doing is
O A) explaining results
OB) making observations
OC) designing a procedure
OD) revising your hypothesis
Answer:
b
Explanation:
during descriptive investigation you are observing and describing what you are seeing
What part of the brain is primarily responsible for monitoring blood
glucose levels and causing chemical reactions to spur us to eat when
glucose levels are low?
Answer:
Ventromedial hypothalamus.
Explanation:
Ventromedial hypothalamus is a part of the hypothalamus in the brain that is responsible for controlling blood glucose levels. It stimulate the pancreas to release hormones like insulin which stabilize the blood glucose levels.
The hypothalamus also stimulate the adrenal gland to make and release cortisol in the blood which increase blood glucose levels when it is low.