in australia, most of the typical mammalian roles are filled by marsupial mammals. there is a marsupial "wolf," and there are several species of marsupial "mice," marsupial "squirrels," and marsupial " anteaters." this example shows the importance of the study of in understanding evolution.

mammal

explanation:

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.