The most abundant molecules in the cell membranes of most species are

Which of these organisms have the greatest amount of cell specialized

Describe the impact of deforestation of both abiotic and biotic factors within the tropical rainforest.

What is point source pollution of an aquatic ecosystem? a) pollution of freshwater sources b) pollution from many sources that combine into one c) pollution that occurs over a wide area; water that runs off from fields, parking lots, and other land surfaces d) pollution that can easily be identified with a single discharge source, such as an open pipe which drains into a body of water