Question

In which vertebrate groups heart does not pump oxygenated blood to different parts of the body?

Answer 1

The division PISCES under vertebrate have a two chambered heart .that is they are cold blooded animals.so their heart does not pump oxygenated blood to different parts of the body as they can tolerate mixing of the blood

Hope u r helped
Pls mark brainliest
Regards
Thanks

Answer 2

Pisces /fishes are the vertebrate group heart does not pump oxygenated blood to different parts of the body .The heart of Pisces has 2 chambers , the blood in the Pisces is go to different parts of the body