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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 8: Hybridism.

Multiple Choice Questions

1. What may stop a group of carnivorous wolves from growing?
(a) The group becomes too large.
(b) Migration changes.
(c) Climate change.
(d) The group decreases in numbers.

2. What other actions do birds use their wings for?
(a) Mating.
(b) Swimming.
(c) Cleaning.
(d) Running.

3. In Chapter 4: Natural Selection, what does Darwin suggest about most variations?
(a) They are caused by domestication.
(b) They are not helpful for survival.
(c) They lead to species regeneration.
(d) They are helpful for survival.

4. What does natural selection say must be true for change to be preserved?
(a) It must be beneficial to the species.
(b) It must be unique.
(c) It must be genetic.
(d) It must be universal.

5. What type of populations experience more variations?
(a) Diverse populations.
(b) Small populations.
(c) Large populations.
(d) Medium populations.

Short Answer Questions

1. In Chapter 8, according to Darwin's example, what domesticated variety is NOT able to reproduce?

2. How is the practice of purposeful selection seen throughout history?

3. Why do hybrids tend to display little variation?

4. What happens when two species from different climates interbreed?

5. What does Darwin state is a main difference between first generation mongrels and first generation hybrids?

(see the answer key)

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