Exam 25: Ecology

Acid deposition lands on plants and lowers the pH of lakes, ponds, and soil. Plants are harmed when acid falls on them but are not affected by changes in pH of the soil or water in which they grow.

On average, plants capture and convert approximately ________ of the energy in sunlight reaching the earth's surface.

The reproductive strategy of any plant species is regarded as ________.

In exchange for food and housing, the ants in the ant-Acacia symbiotic association

Carbon dioxide is important to plants because it acts as the carbon source in which process?

Eutrophication refers to the process of decay.

Which series illustrates the correct hierarchy in relationship to each other in the series?

The ________ or living component of any environment includes all individuals of each species that interact in that habitat.

Nitrogen fixation refers to ________.