C. All cells arise form previously existing cells. This is because the scraped knee's cells would be replaced by the exact same ones that were removed. Kind of like "Out with the old and in with the new... yet the exact same..!"
Hope this helps!
Answer:
Bio Diversity
Explanation:
Top carnivores don't eat everything in the ecosystem which would let the uneaten species able to evolve and become new species (I don't know I'm just guessing sorry if this is wrong)
The flexible lipid bilayer that surrounds the cell and acts as a selectively permeable barrier that regulates what enters into and what exits out of the cell would be the cell or plasma membrane.
<span>Trypanosomes are unicellular organisms (Phylum Protozoa) belonging to the genus Trypanosoma, the family Trypanosomatidae and the order Kinetoplastida.
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