Which of these pairs of body structures best illustrates a homologous relationship? a) the leg of a horse and the leg of a dog b) the wing of a bat and the wing of a bird c) the fin of a dolphin and the fin of a shark d) the beak of a bird and the beak of a turtle

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Aristotle classified animals according to their a. habitat and mating behavior c. mating behavior and relatedness b. habitat and physical differences d. physical differences and mating behavior

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.