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IB Biology HL C4.1.10 Community Questions

Define communities as interacting populations and evaluate species richness, abundance, evenness and distribution across ecological areas in IB Biology HL C4.1.10.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Define a community as all interacting populations of different species living in the same defined area.
  • Interpret community-structure data by comparing species richness, abundance, evenness or distribution and relating differences to biotic interactions or abiotic conditions.

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Study C4.1.10—Community conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB Biology HL C4.1.10 Community Questions question 1

[Maximum number: 1]

Over time, the hull of a sunken ship may become colonized by a wide range of marine organisms. What term is used to describe all of the organisms living in and on a sunken ship?

A

A community

B

An ecological niche

C

A population

D

An ecosystem

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