If the environment changed in the Galapagos Islands and soft seeds were scarce but tough-shelled seeds were abundant which population of finches would experience an increase?

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.

In this case, the statement that people who exercise for an hour may have lower cholesterol levels is .

According to the cladogram, which organisms have roundworms as a common ancestor?