What to study on test!!! Darwin’s Theory of Evolution Natural Selection, Artificial Selection, Adaptation Evidence for Evolution DNA, Homologues Structure, Fossils, etc Macroevolution Types Natural Selection on Traits Directional, Stabilizing, Disruptive selection Speciation and types of Reproductive Isolation Classification System

Essay format Essays are 10% of the overall test grade. You will be required to answer 2 questions. One I choose the under you get to choose. Essays must be written in at least 3 to 5 complete sentences. To receive full credit, every aspect of the question must be covered and examples must be given.

Example (not a real essay question) Q: Compare enzyme activity to a lock and key. A: In a comparison of the activity of enzymes to a lock and key, the lock symbolizes the active site of the enzyme and the key symbolizes the substrate. A specific key can fit into only a specific lock; so, too, does a specific substrate fit into the active site of a specific enzyme. Without a perfect match, the reaction cannot occur. Likewise, without the right key, the lock cannot open.

# 1 Complete sentences Suppose that selective breeding has produced a population of very similar chickens. Would that population survive if it were released into the world? Explain. Yes or No What determines whether a species will survive? Why will are why won’t the species survive. If won’t, what will happen to the species.

# 2 Complete sentences Explain Darwin’s theory of natural selection, and give evidence to support it. define natural selection, give an example that has evolved because of natural selection and explain how

# 3 Complete sentences What direct evidence is available to support the theory of evolution? List and describe at least three different evidences for evolution

# 4 Complete sentences How is the idea of common descent supported by examples of homologous structures? What is common descent? What is a homologous structure? Give examples of homologous structures.