Exam 5: Natural Selection and the Origin of Species

The living elements which surround an organism,such as plant life,are the:

Discuss the controversy over Darwinian psychology.What are some of the basic premises of Darwinian psychology?

Each species occupies a _______ that is defined in terms of space and how that space is used by the organism.

A cline is:

Matching Questions match each type of selection with its definition: -directional selection

Speciation is usually initiated by:

Create a hypothetical population and describe the steps that could occur to segment that population into two or more species.

Scientists theorize that life began to form more than _____ years ago:

Reproductive isolation that results from incompatibility in mating behavior is termed:

Matching Questions match each term with its definition: -sympatric species

An example of a selective agent in humans would be:

Sickle-cell anemia is caused by the presence of _____ within the red blood cells.

Preadaptation:

Matching Questions match each type of selection with its definition: -intrasexual selection

Spatial isolation:

Human infants that are lighter or heavier in weight do not survive as well as those of average weight.This is an example of:

A situation in which the heterozygous individual is the best fit results in a situation referred to as:

The increase in the incidence of malaria in Africa historically was most directly related to the development of:

The large and colorful tail of the peacock is the result of:

The punctuated equilibrium model might explain evolution on the ____________ level better than does the phyletic gradualism model.