The answer is "the ice-caps" from the north and south pole.
<span>These organisms are known as heterotrophs</span>
Answer:
In the time scale above you can see that the Phanerozoic is divided into three eras: Cenozoic, Mesozoic and Paleozoic. Very significant events in Earth's history are used to determine the boundaries of the eras. Eras are subdivided into periods
Explanation:
Antibodies travel through the bloodstream and are found in bodily fluids.
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