'Tropic effects' diaporamas de présentation

Signals can be of many kinds light, sound, smell, touch etc. many of which are due to chemicals.

Two systems coordinate communication throughout the body: the endocrine system and the nervous system The endocrine system secretes hormones that coordinate slower but longer-acting responses including reproduction, development, energy metabolism, growth, and behavior

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AP Biology

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Hormone teamwork

Hormone teamwork. Permissive effects Synergistic effects Agonistic effects Antagonistic effects Tropic effects.

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