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Blood is carried away from the heart by arteries. Blood that is rich in oxygen. Blood that is low in oxygen is returned to the heart by veins. there is more pressure in arteries than in veins.
Pleiotropy occurs when one gene influences multiple, seemingly unrelated phenotypic traits. A single gene is responsible for pigmentation and hearing.
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If you apply too much pressure, you can cause redness and abrasions.
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Answer:
<h3>C. The organism's shape and size</h3>
This is a physical form of a fossil and can be seen by the eyes even in a glimps you can learn or differentiate it. Once you saw it you can exactly learn the fossil. The others needed a great nvestigation and research in order for them to be found.
