As depth increases, which of the following is true?
a. the number of photosynthetic organisms increases.
b. the size of organisms generally decreases.
c. the numbers and types of benthic organisms decreases
d. the amount of plankton increases.

(6.02 mc)what affect do marine protected areas have on environmental quality? they increase environmental quality by preventing resource overuse. they increase environmental quality by adding new species. they decrease environmental quality by removing all human activity. they decrease environmental quality by adding recycling facilities.