Because the common cold is caused by a it is useless to try to prevent or cure a cold with antibiotics.

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

The fish shown above is a tarpon. it is a fast-swimming and powerful open-water fish. its closest relatives, oddly, are burrow-dwelling conger eels that stay on the bottom. both eels and tarpon developed from snake-like larvae that float in the plankton during the first stages of life. once they mature, tarpon and eels are not found near one another in the ocean. the tarpon and the eel illustrate all of the following except

Which of the following is a testable hypotheses?