Reference no: EM13747924

Part A

1. Describe at least four of the five types of prezygotic reproductive barriers. give a brief description of each.

2. Name each phase of mitosis in animal cells and explain what happens during each phase.

3. Each of the four major kinds of plants is associate with four important evolutionary events. What are those events, and which plant type is associated with each event

Part B

1. How is a dna molecule replicated?

2. Compare and contrast a hypothesis with a scientific theory?

3. WHAT is the expected phenotype ratio for a cross between two individuals that are heterozygous for a given trait? Use one of Mendel's pea plant traits as an example.

4. in the human digestive system, where are the villi? Describe villi and briefly explain what they do.

5. Explain the difference between genetic drift and gene flow

6. Where is the diencephalon located in the central nervous system? What relationship does this structure have to hypothalamus and the thalamus? Briefly explain the functions of these glands

7. Species classified in the phylum chordata must have four characteristics at some point in their life cycle. Briefly describe these four features.

8. What are the phases of logistic population growth? Briefly describe each phase.

9. Briefly describe the three types of archaea.

10. What benefit is derived from the mutualism of bacteria and legumes.