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Biology Unit 4
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Topic 5: On the wild side
12. Explain how the concept of niche accounts for
distribution and abundance of organisms in a habitat.
Niche
The ecological niche of an organism is difficult to define. It can best be described as the role of the
organism…

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Biology Unit 4
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Competition
Intraspecific competition is competition for a limited resource between members of the
same population or species.
E.g. Meerkats defend their territory against other groups of meerkats wanting to
forage there.
As a result of intraspecific competition, some individuals may not survive or may not…

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