Find the odd one out based on internal body structure:

Find the odd one out based on internal body structure:
  1. Snail
  2. Octopus
  3. Earthworm
  4. Shark

Solution

A shark is a vertebrate fish with an internal backbone made of cartilage, whereas snails, octopuses, and earthworms are all invertebrates.

Asked in: Homi Bhabha Practice

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