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This test consists of 15 multiple choice questions and 5 short answer questions.

Multiple Choice Questions

1. What typically happens when varieties are inter-breed?
(a) Variations increase.
(b) Variations die out.
(c) Offspring are stronger.
(d) Offspring are weaker.

2. What other field of science can natural selection be compared to?
(a) Physics.
(b) Biology.
(c) Psychology.
(d) Geology.

3. Which term refers to organisms with no distinct gender?
(a) Neutral.
(b) Hermaphrodite.
(c) Polymorphic.
(d) Single cell.

4. What term refers to those organisms that survive despite the struggle for resources?
(a) Natural selection.
(b) Artificial selection.
(c) Hereditary modification.
(d) Circle of life.

5. What is unique about variation in polymorphic species?
(a) Not dependent on external factors.
(b) Not dependent on internal factors.
(c) Dependent on external factors.
(d) All invertibrates.

6. What do naturalists connect with species that have two or three variations?
(a) Future generations.
(b) Intermediate generations.
(c) Past generations.
(d) Fossil records.

7. With respect to breeders, what leads to the development of different varieties of species when breeding?
(a) Natural selection.
(b) Accidental selection.
(c) Purposeful selection.
(d) Genetic selection.

8. Where does Darwin suggest transitional forms should be found?
(a) Regions near mountains.
(b) In all regions.
(c) Regions near water.
(d) In fossil records.

9. Which of the following tends to live over larger areas?
(a) Species.
(b) Mammals.
(c) Subspecies.
(d) Variations.

10. Why are some useless organs sill found in animals?
(a) They were used by ancestors.
(b) They have not been bred out.
(c) Selection takes time.
(d) All organs have a purpose.

11. Who believed that humans would fall into starvation because they could not meet the needs of the population?
(a) Newton.
(b) Maltus.
(c) Darwin.
(d) Hooker.

12. What results as a climate becomes more hostile?
(a) Less food.
(b) More competition.
(c) Better cooperation between species.
(d) Fewer species.

13. When is the only time a rational conclusion can be reached on a theory?
(a) After a committee discussion and agreement.
(b) When both sides have been considered.
(c) When one side comes up with more proof.
(d) You can never draw a conclusion in science.

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

15. What does Darwin say will happen to species that do not adapt?
(a) Nothing.
(b) They are stronger than others.
(c) They are weeded out.
(d) They become smaller in size.

Short Answer Questions

1. In extreme environments, what are species in competition with?

2. What would a variety do in order to become a new species?

3. How might one explain the correlation of growth?

4. What does natural selection favor in terms of increasing population?

5. Where did Darwin's ship travel?

(see the answer keys)

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