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(also called polymers) large, more complex molecules formed when monomers join together.
a plant body consisting of one or more cells. It is not differentiated into root, stem and...
liquid that drains out of a landfill and is contaminated with solutes from the waste matter
large spongy organs in which gaseous exchange takes place in vertebrates (with the exception of...
organisms that are unable to produce their own organic food and must therefore obtain nutrients...