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(also called polymers) large, more complex molecules formed when monomers join together.
all the ecosystems on the Earth, all the species within these ecosystems and the genetic...
series of interlinked food chains by which energy circulates within an ecosystem.
a muscular structure on the floor of the mouth of most vertebrates, which manipulates food for ...
damage caused to the vegetation when it is intensively fed upon by grazing animals and does not...