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the protection of species, habitats and ecosystems and the management of natural resources.
(also called primary meristems) meristems at the apex (tip) of stems and roots where primary...
meristem that produces a layer of bark on the outer surface of a plant.
the control of an invasive species using the species' natural enemies (biocontrol agents)...
a duct through which saliva passes from the salivary gland into the mouth.