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Quiz "biology: terms used in biology"

biology: terms used in biology

a gradual change in the characteristics of a population of animals or plants over successive generations: accounts for the origin of existing species from ancestors unlike them

biology: terms used in biology

any of a group of complex proteins or conjugated proteins that are produced by living cells and act as catalysts in specific biochemical reactions

biology: terms used in biology

a group of organisms or cells of the same genetic constitution that are descended from a common ancestor by asexual reproduction, as by cuttings, grafting, etc, in plants

biology: terms used in biology

the development of the embryo of a viviparous mammal, between conception and birth: about 266 days in humans, 624 days in elephants, and 63 days in cats

biology: terms used in biology

harmful or poisonous substances introduced into an environment
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