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IB Biology HL D4.1.5 Differences in Adaptation Survival Reproduction Questions

Learn how individuals vary in adaptation, survival and reproductive success, and how fitness means passing alleles to offspring in a particular environment.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Explain biological fitness by linking an adaptive trait to higher survival or reproductive success and transmission of its alleles to offspring in that environment.

IB Biology HL D4.1.5 Differences in Adaptation Survival Reproduction Questions question 1

[Maximum number: 1]

In a natural population, what is a feature of individuals that are better adapted?

A

They start to produce offspring at a younger age than less well adapted individuals.

B

They produce identical offspring by cloning that are also better adapted.

C

They tend to produce more offspring during their lifetime than less well adapted individuals.

D

They do not produce more offspring than the environment can support.

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