Question

Dolphin was placed amongst mammals by

• A. Hippocrates
• B. Empedocles
• C. Thales
• D. Aristotle

Answer 1

The correct option is D Aristotle

Dolphin has been correctly placed in mammals by Aristotle due to the presence of typical mammalian features :

1. Mammary glands (in females) that produce mammalian milk to feed their young ones.

2. They do not lay eggs but give birth to their young ones.

3. They are warm-blooded animals.

4. Lungs are present.

5. Their RBCs are biconcave and enucleated.

So, the correct option is 'Aristotle'.