Author Question: Phytoplankton are: a. less important to the productivity of the ocean than seaweeds. b. residents ... (Read 60 times)

ishan · **on:** Aug 22, 2018

Phytoplankton are:
a. less important to the productivity of the ocean than seaweeds.
b. residents primarily of the disphotic zone.
c. heterotrophs.
d. the base of the marine food web.

Question 2

Plankton are:
a. microscopic marine plants.
b. marine organisms that swim.
c. marine organisms that drift or swim weakly.
d. composed ONLY of microscopic marine organisms.