BIOLOGY MIDDLE SCHOOL

The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes?

Answers

Answer 1

Answer:

The answer to that question is B or in other words 2.

Answer 2

Answer:

Answer:

The answer is 2 divisions

Explanation:

Cells undergoing meiosis require 2 sets of divisions because only half of the cromosomes from each parent are needed. This means that the offspring is going to have mutations/change in order to survive on Earth or even other planets! When this keeps happening us humans keep evolving.

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As an impulse travels down an axon, ______________.a chemical signal is released

a charge reversal occurs

electrons are transported

the signal stops

Answers

When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. This would make the answer be.... A. a chemical signal is released

Answer:a charge reversal occurs.

Explanation:a chemical isn’t released until it reaches the end. Took the test and it is definitely B.

Which legal document appoints a person to make medical decisions for another if this person is unable to make their own healthcare decisions? Living will. Health directive. Power of attorney. Informed consent.

Answers

Answer:

I THINK ITS POWER OF ATTORNEY

Explanation:

Answer:

Power of attorney

Explanation:

How many independent variables can be tested in a controlled experiment? A. one
B. two
C. three
D. as many as you want

Answers

One independentvariables can be tested in a controlled experiment. The correct option is A.

What is a variable?

A person, place, thing, or phenomenon that you are attempting to quantify in any way is simply referred to as a variable in research.

The best approach to distinguish between a dependent and independent variable is to look at what the words themselves reveal about the variable you're using.

Only one variable at a time should be tested in an experiment. This guarantees that the experimental result is definitely caused by a single, recognisable component.

A controlled experiment in a scientific study is a test that the researcher actively modifies such that only onevariable is examined at a time.

Thus, the correct option is A.

For more details regarding variables, visit:

brainly.com/question/17344045

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hey there, i believe that your answer will be choice C!

Microscopes led to the discovery that all organisms are