Which community would support the greatest number and diversity of organisms, the pioneer community or the intermediate stages? Explain your answer.

Why do we perceive objects as retaining their brightness under different lighting levels?

Compare the parts of a cell and the cell as a whole to another common nonliving system (i.e., a car, a city, describe the parts of a cell and their primary function.

Analyze how the water cycle affects a food web. now list 3 examples for each below using complete sentences, on how too much water would affect the same web? how about to little water?