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diet which contains all the nutrients needed by the body in the correct quantities and proportions.
organic compound that always contains the elements carbon, oxygen and hydrogen. The building...
small, non-pigmented plastids that occur in roots and non-photosynthetic tissues of plants. They...
an endocrine gland attached to the base of the hypothalamus, which secretes hormones that play a...
the second biological classification group (taxon) that is divided into phyla (for animals) or...