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organisms that are unable to produce their own organic food and must therefore obtain nutrients by eating other organisms.
a mass of undifferentiated cells resulting from uncontrolled mitotic cell division in body...
the complete set of alleles (different forms of genes) making up the genetic material of a...
an endocrine gland attached to the base of the hypothalamus, which secretes hormones that play a...
organisms, such as plants, which are able to produce their own organic foodstuffs from inorganic...