Question

and discard it through their waste. 3. scientists are still trying to understand why vampire bats started feeding on blood. 4. thats a lot more involved than the single bite needed to make a fictional vampire. which two sentences taken together provide the best evidence to support the idea that vampire bats have evolved to digest blood? a 1 and 2 b 1 and 4 c 2 and 3

Explanation:

Sentence 2 mentions bats discarding substances through waste, which implies a digestive - related process. Sentence 3 talks about scientists trying to understand why they started feeding on blood, which together with sentence 2 suggests an evolutionary aspect related to blood - digestion.

Answer:

C. 2 and 3