Question

The evolution of chambers in the heart in different classes of vertebrates is because of :

• A. Metabolism
• B. Their blood type
• C. Adaptation with different environment.
• D. Mutation

Answer 1

Answer: (A), (C)

The correct options are
A

Metabolism

C

Adaptation with different environment.

Fishes have 2 chambers in their heart, amphibians and reptiles 3 chambers (exception of crocodile which has 4 chambers), Birds and mammals have 4 chambers.

It evolved according to the environment they lived in and according to their metabolism.