A Niche Is

question 85

Multiple Choice

A niche is

• A)the biotic components of the ecosystem.
• B)the role of a species relative to other species in the ecosystem.
• C)the opposite of a habitat.
• D)the ecosystem's properties at the time that the climax community occurs.

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Definitions:

Neurotransmitter

Chemical substances in the brain that transmit signals from one neuron to another, influencing various functions such as mood, sleep, and cognition.

Hormone

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.

Dopamine

A neurotransmitter in the brain that is involved in pleasure, motivation, and reward mechanisms.

Adrenalin

A hormone and neurotransmitter, also known as epinephrine, that increases heart rate, muscle strength, blood pressure, and sugar metabolism, usually in response to stress or excitement.