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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 5: Laws of Variation.

Multiple Choice Questions

1. What does Darwin suggest about variation for parts that are NOT specialized?
(a) More variation.
(b) Less variation.
(c) Becomes correlational.
(d) Eventually stops.

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

3. What is the struggle for existence caused by?
(a) Quick reproduction.
(b) Too many species.
(c) Natural selection.
(d) Little food sources.

4. Which species require more years for change?
(a) Inter-breeders.
(b) Fast breeders.
(c) Slow breeders.
(d) Sterile species.

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

Short Answer Questions

1. What is the difference between the two types of variations discussed in Chapter 1: Variation Under Domestication?

2. What is likely to NOT affect variations that are consistent among individuals?

3. What is required for a species to continue to grow?

4. What type of relationship do organisms have with one another?

5. How might one explain the correlation of growth?

(see the answer key)

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