Answer:
Examples of biotic components:
animals, plants, bacteria etc...
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The scientist who is said to have discovered all the four nitrogenous bases present in the DNA of all organisms is, Erwin Chargaff, an Austro-Hungarian biochemist who immigrated to the United States. Hope this helps!
Answer:
finch birds
Explanation:
the island is named after them.
The answer is D
hope this helps