Question Detail
Question
Hemichordates, like acorn worms, are noted to have which type of circulatory system?
Correct Answer
Option B is the correct answer.
Detailed Explanation
The 'Phylum Hemichordata & Chordata' section explicitly mentions, 'Hemichordata: Acorn worms; open circulatory system'.
Hint
Look for the specific detail about Hemichordates' circulatory system in the relevant section.