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ASMO Science Olympiad 2014 — Division P, Level 2 (Years 5 & 6) Question 21

ASMO Science · ASMO Science Olympiad 2014 — Division P, Level 2 (Years 5 & 6)

Question 21

The diagram below shows a model of a food chain.

If the population of krill increases, how will the other organisms be affected?

Question illustration
  1. The population of killer whale increases while the population of seal decreases.
  2. The population of phytoplankton decreases while the population of seal increases.
  3. The population of phytoplankton increases while the population of seal decreases.
  4. The population of killer whale decreases while the population of seal increases.