Multiple Choice
What is the current view of biological communities?
51. Community Ecology
Community Structure
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What happens to the number of species in a community as the area of that community increases?
A
The number of species does not change.
B
The number of species drops.
C
The area of the community is not involved in determining the number of species present.
D
None of the listed responses is correct.
E
The number of species increases.
Verified step by step guidance1
Understand the concept of species-area relationship: In ecology, the species-area relationship is a well-established principle that describes how the number of species increases with the area of the habitat.
Consider the reasons for this relationship: Larger areas can support more diverse habitats and niches, which can accommodate a greater variety of species.
Recognize the role of habitat diversity: As the area increases, the diversity of habitats within that area often increases, providing more opportunities for different species to thrive.
Think about the implications of isolation and edge effects: Larger areas tend to have less edge effect and more core habitat, which can support species that require larger territories or are sensitive to edge conditions.
Conclude with the general trend: Based on the species-area relationship, as the area of a community increases, the number of species typically increases, supporting the correct answer.
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