On the Origin of Species Test | Mid-Book Test - Medium

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This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.

Multiple Choice Questions

1. What is the fate of traits that are neither helpful nor unhelpful for survival?
(a) They are not subject to natural selection.
(b) They are subject to natural selection.
(c) They are subject to artificial selection.
(d) The are bred out of the species.

2. What is one way to observe the change in a species in a controlled environment?
(a) Observe wild animals.
(b) Learn about extinct animals.
(c) Observe captive animals.
(d) Create hybrids.

3. What animal does Darwin use as an example of an intermediate form of a full-land and full-flying animal?
(a) Spider monkey.
(b) Bat.
(c) Flying squirrel.
(d) Penguin.

4. Why would one organism be able to survive in a climate that another could not?
(a) It has more fur.
(b) It is maladapted.
(c) It is better adapted.
(d) It has thicker skin.

5. Which term refers to a type of variation that is NOT inherited and only affects individuals?
(a) Definite variation.
(b) Indefinite variation.
(c) Species variation.
(d) Organism variation.

Short Answer Questions

1. What term refers to those organisms that survive despite the struggle for resources?

2. What term refers to change from one generation to the next?

3. On what ship did Darwin ride while writing The Origin of Species?

4. What type of populations experience more variations?

5. What would increase the likelihood of variations occurring in a given population?

Short Essay Questions

1. Why are polymorphic species considered an extreme illustration of variation?

2. Why are the laws of inheritance still not understood?

3. What occurs in situations where a species is moved from one climate to another?

4. Is there a cycle to the struggle for existence? Explain.

5. Why is natural selection much broader than domestic selection by humans?

6. Why does Darwin feel the distinction between species variations is arbitrary?

7. What factors contribute to the slowdown in reproduction in a species?

8. Why is a flying mammal such as a bat difficult to explain through natural selection?

9. Regarding Darwin's example of the pigeon in Chapter 1, why is the pigeon easily determined to be descended from a single species?

10. Why is the eye used as an example of an organ too complex to be explained by natural selection?

(see the answer keys)

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