Population Characteristics




BIO326 : Population : Population Characteristics : Review Questions

Population Characteristics: Review Questions

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1. The distribution and density of a population results from the interplay of different environmental factors.

a) What are the definitions of distribution and of density as they refer to populations?

b) How does the horned lark exemplify the interplay of environmental factors in determining distribution and density?

2. Every population has an age structure.

a) What is an age structure?

b) Under what conditions does a population's age structure become a stable age distribution?

3. Genetic variation is a population characteristic which plays an important role in the adaptation of individuals and populations to their environment.

a) What is inbreeding depression and how do populations avoid it?

b) Under what environmental conditions does inbreeding benefit a population?

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