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Use the diagram above to answer the question that follows. The structure labelled I is...

Biology
JAMB 2025

Use the diagram above to answer the question that follows.

The structure labelled I is adapted for

  • A. tearing
  • B. sieving
  • C. boring
  • D. sucking
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Correct Answer: Option D
Explanation

These specialized beaks are perfectly adapted for reaching deep inside long, tubular flowers to sip or suck the nectar. This adaptation allows them to access a food source that many other birds and insects cannot reach, making them important pollinators. An example of bird which possesses such feature is the sun bird.

A. tearing: Tearing is typically associated with birds of prey (raptors) which have sharp, hooked beaks for ripping flesh.

B. sieving: Sieving is a feeding method used by birds like ducks, which use specialized beaks to filter small food items from water or mud.

C. boring: Boring (drilling) is done by birds like woodpeckers, which have strong, chisel-like beaks to make holes in wood for insects or nests. 

The correct answer is option D - sucking 

There is an explanation video available below.


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Explanation Video

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