Standard Science Primary 6 Interactions

Study the food web below. What would be the immediate effect if all the frogs were removed from the garden?

A The population of grass would decrease.
B The population of grasshoppers would increase.
C The population of owls would decrease.
D The population of snakes would increase.
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Worked Solution

Step 1: Identify the role of the frog. Frogs eat grasshoppers. Step [2-9]: If frogs are removed, there is no predator to control the grasshopper population. Step [2-9]: Therefore, the grasshopper population will immediately increase.

Correct answer: The population of grasshoppers would increase.

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