AP Biology Essays - Feb. 10

The essays for tomorrow's test are included below:

1. Biologists are interested in preserving the diversity of living organisms on the planet.

a) Explain THREE of the following processes or phenomena, using an appropriate
example for each.

• mutation
• natural selection
• gene flow
• population bottlenecks
• growth of the human population

b) For each process or phenomenon you selected in (a), discuss its impact on the diversity
of life on Earth.

2) Mutations occur at random and increase the variation within a population for no particular purpose. our immune system is capable of detecting and killing certain viruses. would a virus that has a requent rate of muation be less or more able to avoid the immune system? Explain