QUICKLY PLEASE A scientist wants to get the most accurate results for his experiment, so he does multiple trials and averages the result. This is an example of A. replacement. B. repetition. C. redundancy. D. replication.

People who exercise for an hour may have lower cholesterol levels. is that a statement? a law? or a hypothesis?

Select the correct answer. which term do biologists use to describe the average number of individuals of a species per unit area? a. carrying capacity b. population density c. minimal viable population d. survivability curve

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?