molecule

Subject:

an animal that feeds directly on secondary consumers.

Subject:

organisms, such as plants, which are able to produce their own organic foodstuffs from inorganic...

effectors

Subject:

a muscle, gland or organ capable of responding to a nerve impulse in order to bring about a...

Subject:

a species that has been introduced into an area in which it did not previously or naturally...

Subject:

the soft 'roof' of the back of the mouth.

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