Practical Review Fall 11

Practical Review Fall 11 - Biology 8 Practical Review...

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Biology 8 Practical Review: Please note that this is only a general guide to the practical. There are no guarantees that everything on the test is included on the following set of review questions. All material discussed in lab is fair and appropriate evaluation material. Lab 1: Diversity (Meet the Arthropods) 1. What animal phylum is the most diverse and abundant on the planet today? 2. What are the characteristics of arthropods? 3. Do we share a common ancestor with arthropods? 4. What is your group name? 5. What is a dichotomous key? What is it used for? Lab 2: Natural Selection and Genetic Drift 1. Why might large seeds be adaptive in certain ecological conditions? 2. What is natural selection? 3. What is genetic drift? 4. How does population size effect genetic drift? 5. When evaluating natural selection in real populations, we can say that organisms with a selective advantage over other members of the same population are playing with ‘loaded dice’. Be able to explain this statement
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Practical Review Fall 11 - Biology 8 Practical Review...

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