Exam 35: Populations and Communities

Cattle egrets have a ________ relationship with African Cape Buffaloes.

Which of the following tends to happen as a population approaches its carrying capacity?

In what manner does predation reduce competition?

From the list that follows choose the adaptation characteristic of K-selected populations.

_____________ species avoid competition by living in different portions of the habitat or using different resources.

Factors of weather and climate that operate on a population regardless of its size are called _____________________ effects.

When a lion competes with a zebra for water it is an example of interspecific competition.

The entire range of factors an organism has available to exploit in its habitat is its:

Major terrestrial assemblages with similarly adapted plants,animals,and microorganisms that occur over wide geographical areas with distinct physical characteristics are referred to as ______________.

A tropical forest and desert would be examples of:

Why don't many successions reach the climax community status?

The role an organism plays within its ecosystem is called its _______________.

Succession that occurs on abandoned agricultural fields is best described as:

All of the different kinds of interacting organisms living within a certain area make up a:

________________ is defined as the percentage of the original population that survives to a given age.

When a nontoxic viceroy butterfly has come to resemble the distasteful monarch butterfly,the relationship can best be called:

All of the members of an interbreeding group of organisms in a local area make up a(n):

A biome is a community and the nonliving factors with which it interacts.

A community and the nonliving factors with which it interacts is called a(n):

What type of survivorship curve is typical of many oyster species?