Answer:
Graptolites lived from the Cambrian Period, about 510 million years ago, disappearing in the Carboniferous Period, around 320 million years ago.
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Locations at latitude closer to the equator receive stronger and more direct sunlight than locations near the poles.
Answer:
Cerebellum
Explanation:
The cerebellum, in the back of the brain, controls balance, coordination and fine muscle control (e.g., walking).
Answer:
Active transport proteins use adenosine triphosphate (ATP), the cell's energy storage molecule, to pump glucose into the cell, either with or against the concentration gradient.
Explanation:
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