Question

What type of heart do hemichordates have?

• A. Dorsal
• B. Ventral
• C. No heart
• D. Lateral heart

Answer 1

The correct option is A

Dorsal

The correct option is A.

The explanation for the correct option:

1. Hemichordates are under the phylum non-Chordata and their circulatory system is an open type, so they possess a dorsal heart.
2. For example- Balanoglossus and Saccoglossus.

The explanation for incorrect options:

Option B:

The heart of the chordates is ventral, e.g., in humans, birds, etc.

Option C:

Jellyfish, starfish, flatworms, sponges, etc are animals that do not have a heart.

Option D:

Lateral hearts are known as pseudoheart, and it is present in earthworm.

Final answer: The hemichordates have a dorsal heart.