Question

The pelagic zone is best defined by which option?

the intertidal zone only



Light penetrates the ocean only to which depth?

20 m


200 m


500 m


2,000 m



Warm waters rich in marine life would be classified as which zone?

bathypelagic


neritic


the continental shelf


abyssal


the benthic zone only


the deep ocean


all the open water of the ocean

Answer 1

1) The pelagic zone = all the open water of the ocean.
2) Light penetrates the ocean only to about 200 m (the photic/euphotic zone).
3) Warm, productive waters = the neritic zone (the ocean over the continental shelf).