Which Process Best Illustrates an Ecosystem Service

question 72

Multiple Choice

Which process best illustrates an ecosystem service?

• A) Natural gas fracking
• B) Pollution cleanup
• C) Water purification
• D) Oil mining
• E) Soil erosion

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Definitions:

Neurotransmitter Effects

The impacts or actions exerted by neurotransmitters, which are chemicals responsible for transmitting signals across a chemical synapse between neurons or between neurons and muscles.

Receptors

Proteins located on the surface of or within cells, which bind to specific molecules, triggering a physiological response.

Postsynaptic Cell

A neuron or muscle cell that receives signals from a presynaptic neuron at a synapse.

Neuromodulator

Substance that influences the sensitivity of neurons to neurotransmitters but neither strongly stimulates nor strongly inhibits neurons by itself.