Practice Test

Question 4 • CMS 2026-2027 Biology CREDIT RECOVERY

Which graph best represents the relationship between niche diversity and biodiversity?

Answer

Image with description A graph with sustainability on the vertical axis and increasing biodiversity on the horizontal axis. The line is horizontal.

Image with description A graph with sustainability on the vertical axis and increasing biodiversity on the horizontal axis. The line slopes upward from left to right.

Image with description A graph with sustainability on the vertical axis and increasing biodiversity on the horizontal axis. The line is vertical.

Image with description A graph with sustainability on the vertical axis and increasing biodiversity on the horizontal axis. The line slopes downward from left to right.

Explanation

Greater biodiversity generally supports more niche diversity: a wider range of species and interactions can occupy different ecological roles. Therefore, as biodiversity increases, niche diversity also tends to increase, which is represented by a line rising from left to right. Choice B describes that upward-sloping relationship.

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