Net Primary Productivity Is Important Because ________

question 9

Multiple Choice

Net primary productivity is important because ________.

• A) it is the source of chemical energy used by a species throughout a food web
• B) It is not important because of the inefficiency of energy flow through food webs.
• C) it leads to lower biodiversity within small areas
• D) it can lead to the expiration of more CO2 into the atmosphere by plants

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Definitions:

Alertness

A state of active attention and readiness to respond to stimuli or challenges presented.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, hunger, thirst, and other homeostatic systems.

Neural System

The network of nerve cells and fibers which transmits nerve impulses between parts of the body, enabling communication between the brain, spinal cord, and other areas.

Limbic System

A complex system of nerves and networks in the brain, involved in basic emotions such as fear and pleasure, as well as drives like those related to hunger and sex.