They are both similar because they both replicate stuff and they are different because DNA replication is natural but DNA cloning is man-made.
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Answer:
convection within the atmosphere
The answer is (A) evaporation, because when water gets hot it turns into a gas and rises into the air.
Answer:
contain two sets of each of the 23 chromosome types
I would say A) Coevolution because the two species would evolve in response to one another. Flowers and their pollinators must evolve together. For example, if the flower has a mutation that no longer attracts the bumblebees, it will not reproduce. Then the hummingbird would have to find a new food source.