Me with this.. very
1. how can the presence of coal-fired electricity plants can affect the ability of lakes to support life.
2. suppose that there has been a sudden growth of algae in a lake in cottage country.
(a) suggest three possible causes for this situation.
(b) explain what could happen in the lake.

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?

Explain the significance of the increased cell specialization of the volvocine line

Which statement is true for bacteria a. bacteria have complex internal structures b. all bacteria are spiral in shape c. all bacteria cause disease in animals d. bacteria break down some foods