IB Biology HL 4.1.13 Competitive Exclusion Question Bank

Practise IB Biology HL 4.1.13 by interpreting overlapping niches and predicting competitive exclusion outcomes from distribution evidence.

Exam points

Explain competitive exclusion using niche overlap and changes in squirrel or species distributions.
Predict coexistence, replacement or exclusion when two species compete for the same niche.

[Maximum number: 2]

(a) (i) List two factors that affect the distribution of animal species.

Outline the principle of competitive exclusion.

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