Standard Science Primary 6 Interactions

Study the food web. If the population of Organism Z (apex predator) increases, what is the most likely immediate effect on the population of Organism X (producer)?

A Population of X decreases
B Population of X increases
C Population of X remains same
D X becomes a consumer
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Worked Solution

Step 1: More apex predators (Z) will eat more consumers (Y). Step [2-9]: The population of Y (herbivores) will decrease. Step [2-9]: Fewer herbivores (Y) means less predation on producers (X), so the population of X increases.

Correct answer: Population of X increases

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