Darwin's Theory

Question 1

Changing can cause certain traits to be favored through This can lead to changes in .

Revolt · Accepted Answer

B: environmental factors

Question 2

Decide which examples are most likely to increase variation or decrease variation. Some examples could do both.Which of the following could possibly increase genetic variation indirectly?

Revolt · Accepted Answer

A: toxins; D: new habitat; F: increased food supply

Question 3

.

Revolt · Accepted Answer

A: natural selection

Question 4

Which of the following can typically decrease genetic variation?

Revolt · Accepted Answer

A: toxins; B: predator-prey relationships; C: competition; D: new habitat; E: disasters

Darwin's Theory Answers

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