Exam 38: Animal Ecology

The energy accumulated by plants,less that used in respiration,is the _____ _______ ______.

In the logistic equation to describe the growth of populations,r is the intrinsic rate of increase of the population,and ____________ is the carrying capacity of the environment.

A community is made up of

A frog is found along the edge of a pond.The location where the frog lives would be the frog's __________.

MacArthur observed that five species of similar warblers coexisted on spruce trees,in feeding guilds,because they

Can the biomass of all animals on earth ever exceed the biomass of all of the plants? Why? or why not?

The sponge constitutes an animal that is

For a population experiencing logistic growth,what is the most likely result when N very closely approaches the value of K?

When pioneers settled the Midwest and Plains states,they killed or drove off the American bison,cougar,wolf,etc.Why does the elimination of such natural predators cause ecological problems?

An assemblage of living organisms sharing the same environment is referred to as a ____________.

Explain the following concepts: age structure,survivorship curves,and intrinsic rate of increase.

With over one billion people,but less land to farm than is in the United States,the People's Republic of China instituted a one-child-per-family policy.This immediately changed which numerical value in the logistic growth equation?

Two species of caterpillar feed on the same species of corn.On close inspection,the two insects are found to be feeding on different parts of the corn,the root and the stem.What principle does this support?

An animal population is a group of animals that form which of the following?

What is a keystone species?

Does competition promote the process of speciation? Why or why not?