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In phylogenetic tree I,which group of organisms is most directly related to the common ancestor of the tree?
Occipital Lobe
The region of the cerebral cortex located at the back of the brain, primarily involved in processing visual information.
Sympathetic Nervous System
The subdivision of the autonomic nervous system that mobilizes bodily resources and increases the output of energy during emotion and stress.
Epinephrine
A hormone and neurotransmitter also known as adrenaline, involved in the body's fight-or-flight response by increasing heart rate, muscle strength, and blood pressure.
Norepinephrine
A neurotransmitter and hormone involved in the body's fight or flight response, affecting heart rate, blood pressure, and blood sugar levels.
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