Answer:Amphibians evolved during the middle of the Devonian period (416 to 359 million years ago) from the lobe-finned fish of the vertebrate class Sarcopterygii. Species within the genus Ichthyostega (members of the Labyrinthodontia subclass) are considered by some scientists to be the earliest amphibians.
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D: They have restricted cell division.
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Pre cancerous cells often act like cancer cells and will grow at abnormal rates but unlike cancer cells they are unable to invade other organs
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The outside only looks pigmented because of the color reflecting off it, but the inside is white and unpigmented because it is reflecting all the colors. Does this help?
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How do mass and speed affect kinetic energy?
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Edg 2020