Answer:
The answer is B.
Explanation:
I took the quiz and B, with the colon, was the correct choice. The use of a colon presents a more formal way of addressing the topic, the transfer fro mone sentence to another.
They eat plants, plants get energy from the sun...
I would say C, Definitions - because dictionaries are used to see what the words mean in usually a brief explanation and there is no history or language origins (some specific ones may but not ALL DICTIONARIES)