Which is an involuntary automatic response to a stimuli?
a reflex
an interneuron
a receptor
a hormone

How do cells grow and reproduce to maintain homeostasis?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present

In what part of the body does the most muscle activity happen?