Sharks and dolphins look very much alike--both have streamlined bodies, fins, and sharp teeth. sharks and dolphins, however, are not closely related. the body structures that characterize sharks and dolphins have evolved independently. which term is used by evolutionary biologists to describe the process by which two separate species may evolve in a similar way and come to resemble one another?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

The science for classifying and naming organisms is known as

Cpr, or cardiopulmonary resuscitation, is a first-aid technique to save lives. it involves compressions of the patient's chest cavity. which description is the best description of the functions of chest compressions in cpr? chest compressions are done to pump the heart. chest compressions are done to strengthen the rib bones. chest compressions increase carbon dioxide inhalation. chest compressions allow the patient's muscles to wake up.