Examlex
Which of the following is considered to be in the realm of science?
Species-Specific Defense
Innate or evolved behaviors that are characteristic of a particular species and are used to defend against predators or threats.
Reactions
Responses or behavior of an organism resulting from external or internal stimuli.
Major Neurotransmitter
A primary chemical messenger that transmits signals across neurons in the brain and body.
Norepinephrine
A neurotransmitter and hormone involved in the body's response to stress, increasing heart rate, blood pressure, and sugar levels in the brain.
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