Define autotrophs and heterotrophs

autotrophs are producers whereas hetetrophs are consumers.

Explanation: autotrophs produce their own food from raw materials and energy like plants wheareas autotrophs

Consume producers or other consumers like dogs

above statement is not a true statement about the open ocean because the open ocean has low levels of nutrients. most of the photosynthetic activity on earth occurs in the open ocean within the photic zone. organisms in the deep ocean are exposed to frigid temperatures and total darkness but it does not begin at the low-tide mark.