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one of the building blocks of lipids (fats).
single-celled floating algae, which provide food for marine animals, such as fish and whales....
biochemical process that traps radiant or light energy from the Sun and converts it into glucose...
an alkaline watery fluid containing digestive enzymes, which is secreted into the mouth by...
the kingdom of multicellular organisms that contain chlorophyll and make their own food by...