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in plants: the first plant to become established in an area.in plants: the first plant to become established in an area.in plants: the first plant to become established in an area.in plants: the first plant to become established in an area.
a form of malnutrition caused by a severe shortage of protein in the diet.
organisms that are unable to produce their own organic food and must therefore obtain nutrients...
symbiosis where one organism lives on another (on the outside of another).
non-indigenous species which reproduce and spread more rapidly than indigenous species. This...