<span>The evolution of a long neck in giraffes is an example of natural selection in that the giraffes with long necks would be able to eat more leaves from higher trees and thus be more successful.</span>
Explanation:
Primary cell walls are synthesized during growth and typically are relatively thin, pliant, highly hydrated structures. ... Secondary cell walls provide strength and rigidity in plant tissues that have ceased growing.
Answer:
A. Gravity
Explanation:
The strong gravity, or "Pull" of the Earth is what keeps the moon in orbit.
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Answer:
females it begins prior to birth, while in males, it begins after birth.
Explanation:
