Advanced Science Primary 6 Interactions

The population of Organism P decreased significantly due to a disease. This caused the population of Organism Q to increase. Which of the following relationship is most likely?

A Q is the predator of P.
B P and Q are both producers.
C P is the predator of Q.
D P and Q compete for the same food source.
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Worked Solution

Step 1: If P decreases and Q increases, P must have been limiting Q's population. Step [2-9]: This occurs if P eats Q (predation). Step [2-9]: With fewer predators (P), more prey (Q) survive and reproduce.

Correct answer: P is the predator of Q.

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