Question

Group the following animals into mammals and fishes:

Whale, Rainbowfish, Catfish, dolphin, Human

• A. Mammals - Human, dolphin
  
  Fishes - Rainbowfish, catfish, whale
• B. Mammals - Human, dolphin, whale
  
  Fishes - Rainbowfish, catfish
• C. Mammals - Human, whale
  
  Fishes - Rainbowfish, catfish, dolphin
• D. Mammals - Human
  
  Fishes - Rainbowfish, catfish, whale, dolphin

Answer 1

The correct option is B Mammals - Human, dolphin, whale


Fishes - Rainbowfish, catfish
Mammals are those organisms which reproduce by giving birth to their young ones.

In contrast, fishes are oviparous organisms which reproduce by laying eggs.

Out of the given options, human, whale and dolphin are mammals. Whereas rainbowfish and catfish are fishes.