Anetwork of all of the feeding relationships in an ecosystem is called a. an energy web b. a food web c. an energy chain d. a food chain

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

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping