1. to survive, all animals must do all of the following except
obtain

oxygen
eat
breathe air
eliminate waste

2. which of the following is an adaption that an animal obtain food?

jet propulsion
hibernating in the winter
sweating
sharp, narrow teeth

3. which of the following adaptions would an animal avoid predators?

echolocation
hibernation
changing color to blend in with surroundings
coming to the surface to breathe

4. how do marine mammals breathe?

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system

Why is it incorrect to say that mitochondria function only as energy factories with cell