Answer:
the nervous system uses electrical impulses to send signals through neurons, whereas the hormonal system uses chemical messengers transported into blood plasma to target cells.
Explanation:
Hope this helps.
The answer is
c. diffusion only
Heliocentric theory thank you for your time .
Answer:
The correct answer is - option E.
Explanation:
African infants have had a higher chance of survival if they have a living grandmother who is with no young child of her own, this fact supports the evolution of menopause.
The 2 major hypothesis related to the evolution of menopause explains either to help the mother of the infant, protecting from the risk related to age-specific mortality or to provide maternal grandmothers who enhance their inclusive fitness.
Thus, the correct answer is - option E.
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