Some parts of a cell are not organelles. Give the names of the three parts that aren’t called organelles. Explain your answer by explaining the definition of organelle.

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?

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

15 ! come and answer! a(n) is the general term for an infectious disease that has spread across a city, region, or country.