Exam 55: Ecology of Individuals and Populations

Species that have a delayed reproductive stage, are competing for limited resources, and have smaller numbers of slowly maturing large offspring show ________________ adaptations.

A species colonizes an island, goes through a phase of exponential growth, and reaches the carrying capacity of the island.At what stage is the growth rate slowest?

A graduate student is studying the feeding behavior of a small octopus that must be laboriously collected from the shores of a remote island.Her intern wishes to do experiments to look at the octopus's mating behavior.Why might the graduate student veto this idea?

Organisms such as lizards that need to maintain body temperature through external means do so by

In the sigmoid growth curve, the number of individuals at any one time is indicated by what symbol?

Which is an example of a density-independent factor on a population?

An unscrupulous dog breeder has been selecting for dogs that have very large litters, with the goal of maximizing profits.Why might this strategy be counterproductive?