Which of the following is responsible for the exchange of gases in a leaf?
a. the phloem
b. the spongy
c. mesophyll
d. the stomata

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.

Aphids are tiny insects that feed on plants. ladybugs are to plants because they eat aphids. which type of organism are aphids in this scenario? co decomposers predators prey producers

Name one similarity and one difference between the morphology of a brachiopod and a bivalve