In General

question 40

Multiple Choice

In general,

• A)food chains consist of many interrelated food webs.
• B)food chains are interconnected to form food webs.
• C)food webs consist of either consumers or producers.
• D)food webs usually consists of 8-10 trophic levels.

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Definitions:

Synapse

The junction between neurons that permits a signal to pass from one neuron to the next.

Neurotransmitter

Chemical substances in the nervous system that transmit signals across a neuronal synapse between neurons or from neurons to muscles.

Somatic Nervous System

Part of the peripheral nervous system associated with voluntary control of body movements through action of skeletal muscles.

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord, which integrates information received from the body and directs activity.