Some sharks and dolphins are about the same size and shape and they live in the same habitat. But dolphins are mammals and sharks are fish. What is the phenomenon, and how does it occur?

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?

When ash and dust begin to settle on the ground, they eventually become compacted by

Which describes the technique that is used with a graduated cylinder