BIOLOGY HIGH SCHOOL

A stimulus triggers the body to create a response that feeds back to reverse the changes caused by the original stimulus. What is this process called?A. positive feedback loop
B. negative feedback loop
C. constant feedback loop

Answers

Answer 1
Answer: b. Negative feedback loop

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Why are decomposers necessary for the continuation of life on Earth?

Answers

Decomposer are very necessary for the continuation of life on Earth because they are the ones who decomposes the dead bodies of the living things and convert it into nutrients that is very useful for the plants to grow healthy.

Why do deciduous trees lose their leaves?a. Deciduous trees lose their leaves to prevent oxygen loss.
b. Deciduous trees lose their leaves to defend from predators.
c. Deciduous trees lose their leaves to prevent nutrient and water loss.
d. Deciduous trees die in winter.

Answers

The answer is c. Deciduous trees lose their leaves to prevent nutrient and water loss.

Losing leaves is a trees' strategy to survive cold winters. It is known that trees primarily lose water through leaves. In the winter, there is no enough water to replace that lost water. If the trees were not to throw away their leaves, they will soon dry out. Also, before falling the leaves begin, reabsorb all nutrients from the leaves and store it for the cold winter. Thus, losing leaves is important to prevent both nutrient and water loss during the winter.

Answer:

open less frequently to restrict transpiration and conserve water.

Explanation:

Coal, oil, and natural gas

Answers

nonrenewable resources

When succession occurs after a disaster, like a wild fire, it is called secondary succession.FALSE - it is called fire succession
FALSE - it is called primary succession
FALSE- it is called tertiary succession
TRUE

Answers

True, when succession occurs after a disaster, like a wild fire, its called secondary succession.

Secondary succession occurs when an existing population has been reduced due to a fire. So that it occurs on soil that was already present prior to the disaster.

On a small island, three separate phenotypes of a single species of cherry tree occur- small, medium, and large seeds. A small population of mice is introduced to the island, The mice are the only organisms that eat cherries on the island. When they eat a cherry, they digest it and excrete the pit or seed completely undigested at another location. The mice choose the larger cherries with medium and large seeds and leave the smallest ones uneaten. a. What type of selection, if any, is occurring here? b. Provide support for your answer. c. Graph what the population of cherry trees will look like over time. Make sure to label your axes.

Answers

a. Natural selection is occurring in this scenario.
b. The larger cherries with medium and large seeds are being selectively favored by the mice, as they are the ones being eaten and dispersed to new locations. This leads to an increase in the frequency of the medium and large seed phenotypes in the population over time.
c. Unfortunately, as a text-based AI, I am unable to create visual graphs. However, over time, the population of cherry trees would likely show an increase in the medium and large seed phenotypes, while the small seed phenotype would decrease in frequency. The x-axis could represent time, and the y-axis could represent the proportion or frequency of each seed phenotype in the population.

The material that contains the genetic code in a chromosome is

Answers

Please o please give me the brainiest. It would make my day!

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.
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