Which choice describes the heart? Which choice describes the heart? Group of answer choicesan individual cell

a group of one cell type working together

a series of organs working together

a structure made of tissues that work together

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?

Why did rutherford say that bombarding atoms with particles was like "playing with marbles" what

Which of the following is not associated with invasive species?