Standard Science Primary 3 Cycles

In the life cycle of a mosquito shown below, at which stage is the organism a pest to humans?

A Stage A
B Stage D
C Stage C
D Stage B
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Worked Solution

Step 1: Stages are A: Egg, B: Larva, C: Pupa, D: Adult. Step 2: Only the adult mosquito bites humans to suck blood. Step 3: Therefore, Stage D is the pest stage.

Correct answer: Stage D

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