IB Biology SL D4.1.3 Overproduction and Competition Questions
Trace how producing more offspring than an environment can support creates resource competition, mortality and selection.
- Syllabus
- First assessment 2025
- Course
- Biology SL
- Level
- SL
Exam points
- Explain that overproduction beyond environmental capacity creates intraspecific competition for limited food, space or other resources and increases mortality.
- Link competition and inherited variation to differential survival and reproduction, showing how selection can follow overproduction.
IB Biology SL D4.1.3 Overproduction and Competition Questions question 1
[Maximum number: 4]
Outline how overpopulation of a species in a given environment may lead to evolution.
more are born than can survive;
there is variety/variability in the offspring;
competition for resources / struggle for survival / selection pressure;
only the most able/adapted survive / survival of the fittest;
the survivors reproduce and pass on genes;
genes of less able/adapted are eliminated / change in the gene pool;
natural selection occurs;
All question bank results loaded