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Organisms Reproduction: Why and How? Chapter 8

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Organisms Reproduction: Why and How? Chapter 8

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Questions and Answers

What is the role of DNA in the reproduction process?

DNA in the cell nucleus is used as a template for making proteins (correct)

DNA controls the separation of chromosomes during reproduction

DNA is responsible for creating additional cellular apparatus

DNA ensures absolute identical copies of cells during reproduction

Why would simply pushing out one copy of DNA during reproduction not work?

The copy pushed out lacks organized cellular structure for maintaining life processes (correct)

Pushing out DNA would cause the cell to divide incorrectly

Separated DNA copies would not be similar to the original DNA

Pushing out DNA can lead to drastic variations in the new cell

How does variation in DNA copies during reproduction contribute to evolution?

Variation creates subtly different surviving cells from each other (correct)

Variation ensures survival of all new cells produced

Variation prevents any changes in offspring from generation to generation

Variation leads to absolutely identical new cells

Why is the accuracy of biochemical reactions important during DNA copying?

To minimize drastic variations in the new DNA copies Signup and view all the answers

How is reproduction linked to the stability of populations of species?

Reproduction helps maintain body design features for using specific niches Signup and view all the answers

Why should an individual organism waste energy on the process of reproduction?

To create more individuals that look similar to itself Signup and view all the answers

How do we determine if two different individual organisms belong to the same species?

By observing similarities in their external appearance Signup and view all the answers

Why is it doubtful that we would notice the existence of a nonreproducing member of a particular kind?

Because large numbers of reproducing organisms bring attention to the species Signup and view all the answers

What makes organisms look similar to each other?

Similar blueprints for body designs Signup and view all the answers

Why do organisms create new individuals that look very much like themselves?

To pass on favorable traits for adaptation Signup and view all the answers