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cellular respiration that takes place in the presence of free oxygen.
allergic reaction to certain allergens such as pollen. It causes sneezing, a runny nose and...
the control of an invasive species using the species' natural enemies (biocontrol agents)...
animals with three cellular body wall layers: the ectoderm, mesoderm and endoderm.
the passage through which the nerve and blood vessels leave the root of the tooth.