|Name: _________________________||Period: ___________________|
This test consists of 5 multiple choice questions, 5 short answer questions, and 10 short essay questions.
Multiple Choice Questions
1. What tends to occur in large groups of genera?
(a) They become varieties.
(b) They never inter-breed.
(c) They live over large areas.
(d) They divide into smaller groups.
2. What aspect of organisms is not caused by chance?
3. How many objections does Darwin say there are about natural selection?
4. Which of the following refers to a scientist who studies living creatures?
5. What is the primary cause for the struggle for survival between species?
(a) Environmental factors.
(b) Rapid reproduction.
(c) Food sources.
Short Answer Questions
1. What do species survive to do?
2. What can be said about the range of species that are closely related?
3. What is one function that cave dwelling animals lost through natural selection?
4. What is unique about variation in polymorphic species?
5. What term refers to those organisms that survive despite the struggle for resources?
Short Essay Questions
1. Why is it sometimes impossible to tell if climate is the cause for variations in the same species located in different geographical locations?
2. Why would, on some islands, nature select for beetles that do not fly?
3. Why does Darwin feel the distinction between species variations is arbitrary?
4. Is there a cycle to the struggle for existence? Explain.
5. How can the geology of mountains and valleys be related to natural selection?
6. What must be examined in order for Darwin's theory to be considered plausible?
7. How does the growth of a population work?
8. Why is the eye used as an example of an organ too complex to be explained by natural selection?
9. Why are polymorphic species considered an extreme illustration of variation?
10. How does natural selection explain why organisms pair with other organisms?
This section contains 741 words
(approx. 3 pages at 300 words per page)