Complete the sentences.

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

List the advantages and disadavantages of the switch from persistent chlorinated hydrocarbon pesticides (such as ddt) to nonpersistent organophosphate pesicides. have the benefits of the switch outweighed the disadvantages? explain.

All organisms contribute some water to the water cycle by conducting