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IMSO 2005 Taiwan Selection — Science First Round Question 21

IMSO Science · IMSO 2005 Taiwan Selection — Science First Round

Question 21

Base your answer on this food chain: Green plants → Insects → Frogs → Snakes.

The frogs in this food chain get their energy directly from

Question illustration
  1. eating the insects
  2. being eaten by the snakes
  3. eating other frogs
  4. eating green plants