What happens in the phloem? (1 point) 1. water moves up from roots. 2. food moves down from leaves. 3. food moves up from roots. 4. water moves down to roots.

Which of the four major uses is predicted to change the least by 2020?

!if we removed the wolf, snake, and hawk from this food web, what best explains the impact it would have? a) the number of producers would increase. b)the number of decomposers would increase. c)the number of primary consumers would increase. d)the numbers of primary consumers would decrease.

Which of the following terms best matches this definition: the process where humans choose the traits that will be present in the next generation through breeding. question 4 options: genetic determinism artificial selection acquired selection natural selection