Exam 16: Biogeographic Processes

In many cases, wildfires are beneficial to forests and grasslands.

The creation of diversity of life-forms through the process of natural selection is:

When new land forms and plant and animal communities begin to develop, the process is called:

Respiration is an example of carbon fixation.

The condition of the disappearance of a gene pool from Earth is called:

Humans consume approximately 35 percent of freshwater runoff.

On the illustration, letter A shows:

A byproduct of photosynthesis is:

The transfer of energy in levels through an ecosystem is called:

The differences that arise between parent and offspring are:

The position an organism occupies within a food web is known as the _________ level.

Photosynthesis supplies carbohydrates to the:

The functional role played by an organism or its "profession" as well as the physical space it inhabits is BEST called the:

Most organisms can move from their home territory to new sites in a process called ____________.

A collection of organisms and the environment with which they interact is called a(n):

To preserve global diversity, we must:

The study of the distribution patterns of organisms over space and time and of the processes that produced these patterns is called:

Many organisms share the same ecological niche.

A collection of closely related species that share a similar evolutionary history is a(n):

On the illustration, letter B shows: