B is the right answer:
A more biodiverse ecosystem has a higher chance of adapting to species changes.
The “bases” of RNA differ from those of DNA in that thymine (T) is replaced by uracil (U) in RNA. ... In DNA/RNA base pairing, adenine (A) pairs with uracil (U), and cytosine (C) pairs with guanine (G).
you got them correctly gods jod
