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PIMSO 2023 - Science - Primary 5 - National Round Question 1

PIMSO Science · PIMSO 2023 - Science - Primary 5 - National Round

Question 1

Sharks, stingrays, and manta rays are all closely related fishes despite differences in body appearances. How are they similar to each other?
Question illustration
Source: https://commons.wikimedia.org/
Editorial convention: Choose the most characteristic feature used to classify this group, rather than every feature shared by some members.
  1. They have specialized olfactory organ.
  2. They have gas bladders for buoyancy.
  3. They have calcified scales.
  4. They have cartilaginous bones.
  5. They have stinging body parts.