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This quiz consists of 5 multiple choice and 5 short answer questions through Geographical Distribution continued.

Multiple Choice Questions

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

2. What is one geographical change that affects islands and continents?
(a) Sea level changes.
(b) Rainfall changes.
(c) Climate changes.
(d) Animal variations.

3. What does Darwin state is a main difference between first generation mongrels and first generation hybrids?
(a) First generation mongrels show more variation.
(b) First generation mongrels show less variation.
(c) First generation mongrels show no variation.
(d) First generation mongrels are larger.

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

5. To what degree do hybrids resemble one parent?
(a) No resemblance.
(b) Extreme degrees.
(c) Small degrees.
(d) Moderate degrees.

Short Answer Questions

1. What does natural selection say must be true for change to be preserved?

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

3. What is the major limiting factor to migration?

4. What type of species do many islands lack?

5. What does natural selection say about the most distinct characteristic of a species?

(see the answer key)

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