Answer:
For a limb to regenerate, you need bone, muscle, blood vessels and nerves. There are adult stem cells, a kind of undifferentiated cell that can become specialized, that regenerate muscle, but they don't seem to activate.
Tsunami waves
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Answer:
they compare fossils to other fossils to see if skeleton changes are observed in a species over time it indicates that there is genetic change going on within the species
Answer:is there a graph or is it multiply question
Explanation:
Answer:
Passive transport
Explanation:
Water is transported through channel proteins called aquaporins.
