Which statement about phloem is true? * 1.it carries sugars from the roots to the leaves
2.it carries water from the roots to the leaves
3.it carries nutrients to growing regions of the plant
4.it carries nitrate ions from the leaves to the roots

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

Which is one example of a phenotypic change that is not genetic