Chapter 46

Draw an exponential and a logistic growth curve, and explain what accounts for their different shapes.

Name two density-dependent and two densityindependent factors that can limit the size of a population.

Draw a graph showing the age structure of a population that is growing rapidly and a graph of one that is not.

Plot a survivorship curve for a species with high rates of predation early in life and one for a species with high mortality late in life. Name the types of survivorship these species display.

Explain how \(r\) and \(K\) strategies relate to the predictability of the environment and in what kinds of environment each strategist would be more successful.

Describe what is meant by a trade-off in physiological functions, and give an example.

Give three examples of a habitat island, and explain what makes it an island.

Name factors that determine the diversity of species on a habitat island, and explain the relevance of these factors in managing the habitat of an endangered species.