Quiz: Understanding Niches in Ecosystems
Pearson Edexcel Level 3 Advanced GCE in Biology A (Salters-Nuffield) (9BN0)
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Building on your knowledge of biodiversity and related concepts, let’s explore the idea of niches in ecosystems!
What is an ecological niche?
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Which of the following contribute to defining an organism’s niche? (Select all that apply)
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The {{blank0}} niche describes where a species could live, while the {{blank1}} niche describes where it actually lives due to competition and other factors.
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If Species A occupies 60% of a habitat and Species B occupies 40%, what percentage is shared if their niches overlap by 25%?
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What happens to a species if its niche overlaps too much with another species?
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Which factors can reduce niche overlap between species? (Select all that apply)
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Organisms with specialised niches are called {{blank0}}, while those with broad niches are called {{blank1}}.
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