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an animal that feeds directly on secondary consumers.
a microscopic hair-like extension of the cell membrane of the epithelial cells forming the outer...
barrier made of coral (a living organism consisting of animal and algal tissues) that lies in...
is the supply of materials, in the form of food, required by organisms and cells to stay alive...
the water that is found underground in soil pore spaces and in the cracks and spaces within rock...
meristem that produces a layer of bark on the outer surface of a plant.