Advanced Science Primary 6 Interactions

Based on the food web below, what would happen immediately if the population of Frogs decreased due to a disease?

A The population of Grasshoppers would increase.
B The population of Snakes would increase.
C The population of Owls would decrease.
D The population of Grass would decrease.
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Worked Solution

Step 1: Identify the relationship: Frogs eat Grasshoppers. Step 2: If the predator (Frogs) decreases, there is less predation on the prey (Grasshoppers). Step 3: Therefore, the population of Grasshoppers will increase immediately.

Correct answer: The population of Grasshoppers would increase.

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