Answer:The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides
Explanation:
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Answer:
Why don't we have a complete fossil record of all life that's ever lived? Fossil formation requires a rare mix of physical and biological conditions. Fossils must be exposed at Earth's surface to have a chance of being found. Fossils can be destroyed when rocks erode, melt, or change composition.
Explanation:
For many reasons, the fossil record is not complete. Most organisms decomposed or were eaten by scavengers after death. Many species lacked hard parts, which are much more likely to fossilize. Some rocks and the fossils they contained have eroded and disappeared.
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Answer:
20-25 độ C
Explanation:
Đó là khoảng thuận lợi để cá chép phát triển tốt nhất
