C4 plants divide photosynthesis between two types of cells: the mesophyll and the ________ cells.

Under which of the following conditions would genetic drift exert the greatest influence?

In long-lived species of organisms, the primary advantage of delaying reproduction (late maturity) is

The streamlined body shape of many aquatic organisms that swim helps reduce frictional resistance caused by water’s high

Which of the following occurs near the equator?

Which of the following equations reflects the exponential model of population growth?

The preferential selection by a female of a male peacock with the longest tail feathers and the most eyespots on the tail feathers is an example of

A genet is produced asexually.

The most common spatial distribution among individuals within a population is clumped.

The ________ of water is the amount of heat that is required to raise the temperature of water one degree Celsius.