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A caterpillar and an aphid living in different parts of the same plant can be...

Biology
JAMB 2004

A caterpillar and an aphid living in different parts of the same plant can be said to

  • A. occupy the same ecological niche
  • B. be in different habitat
  • C. occupy different ecological niche
  • D. be in the same microhabitats
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Correct Answer: Option C
Explanation

An ecological niche refers to the specific role an organism plays within its environment, including its feeding habits, behavior, and how it utilizes resources. While both insects share the same habitat (the plant), they function differently. Caterpillars are typically leaf-chewers that consume solid plant tissue. On the other hand, Aphids are sap-suckers that use specialized mouthparts to pierce plant tissues and drink phloem sap.
Because they utilize different parts of the plant and have different feeding strategies, they occupy distinct niches, which allows them to coexist without direct competition for the same specific resource. 

A. occupy the same ecological niche: According to the competitive exclusion principle, two species cannot occupy the exact same niche in the same habitat indefinitely; one would eventually outcompete the other.

B. be in different habitat: They are living on the same plant, which constitutes their shared habitat.

D. be in the same microhabitats: The question specifies they live in different parts of the plant (e.g., one on a leaf, another on a stem or root), meaning they occupy different microhabitats within the larger plant habitat. 

There is an explanation video available below.


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Explanation Video

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