Which Trophic Level Forms the Base of a Food Chain

question 70

Multiple Choice

Which trophic level forms the base of a food chain?

• A)Primary producers
• B)Quaternary consumers
• C)Tertiary consumers
• D)Secondary consumers
• E)Primary consumers

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Definitions:

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A neurotransmitter and hormone involved in regulating stress responses, attention, and arousal states within the body.

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A neurotransmitter involved in many functions, including mood regulation, appetite, and sleep, with imbalances associated with several mental health disorders.

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Therapeutic procedures that use electrical impulses or magnetic fields to stimulate brain activity, used to treat various neurological and psychiatric conditions.

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