The worm feels cold. The worm is a heterotroph. The worm has 33 segments. The worm has a four-chambered heart.
I gave my students this multiple choice question: A student found a worm under some leaves and wrote observations about the worm in a notebook. Which is a fact that could be found in the student's notebook?

Only one answer is correct among these 4 choices:
- The worm feels cold.
- The worm is a heterotroph.
- The worm has 33 segments.
- The worm has a four-chambered heart.

Could you tell me which one is correct?

The worm has 33 segments.