A population which exceeds its carrying capacity and then collapses is represented graphically by a
bell-shaped curve
linear curve
sigmoid curve
skewed curve
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The correct answer is:
D. Skewed curve
Here's why:
When a population exceeds its carrying capacity, it typically experiences:
Rapid growth, surpassing the environment’s ability to sustain it.
Followed by a sharp decline or collapse due to limited resources, starvation, disease, etc.
This creates a graph that looks unbalanced or "skewed" — a sharp rise followed by a steep fall, not a smooth or symmetric curve.
Let's break down the options:
A. Bell-shaped curve 
– Symmetrical, often used in statistics (e.g., normal distribution).
– Not suitable for population collapse.
B. Linear curve
– Implies constant growth or decline — not realistic for population dynamics.
C. Sigmoid curve
– S-shaped curve that represents logistic growth:
Slow growth → rapid growth → stabilization at carrying capacity.
– No collapse — the population levels off.
D. Skewed curve
– Matches a scenario where the population overshoots and crashes.
– Fast rise, sharp drop = skewed distribution.
Final Answer: D. Skewed curve
