Question

Do chordates have a 4 chambered heart?

Answer 1

Chordates:

1. In these, the epidermis is multilayered.
2. There are three types of muscles – striated, non-striated, and cardiac.
3. They have a well-developed coelom.
4. There is a complete alimentary canal.
5. The heart has three or four chambers.
6. They have well-developed respiratory and excretory systems.

Final Answer: No, all chordates do not have a four-chambered heart. A four-chambered heart is seen in birds and mammals.