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This quiz consists of 5 multiple choice and 5 short answer questions through Chapter 3: Struggle For Existence.

Multiple Choice Questions

1. What happens to a species if their traits and characteristics are not passed down to the next generation?
(a) They will become extinct.
(b) They will become unique species.
(c) They will grow.
(d) They will change.

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

3. What is the primary cause for the struggle for survival between species?
(a) Environmental factors.
(b) Rapid reproduction.
(c) Food sources.
(d) Variation.

4. What tends to occur in large groups of genera?
(a) They never inter-breed.
(b) They become varieties.
(c) They divide into smaller groups.
(d) They live over large areas.

5. Which of the following is a radical change in the structure or behavior of an organism?
(a) Monstrosities.
(b) Extinction.
(c) Growth.
(d) Increased illness.

Short Answer Questions

1. Which of the following tends to live over larger areas?

2. What is unique about white cats with blue eyes?

3. Concerning the difficulty of defining species, sub-species, and variations, what does Darwin suggest about differences?

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

5. What results as a climate becomes more hostile?

(see the answer key)

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