From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?

1. Otter – Tortoise – Shark
2. Shark – Tortoise – Otter
3. Tortoise – Shark – Otter
4. Shark – Otter – Tortoise

Explanation

Option (b) is correct

• Evolutionary progression follows:
• Fish (Shark) appeared first
• Reptiles (Tortoise) evolved later
• Mammals (Otter) evolved last

Answer: (b) Shark – Tortoise – Otter