IB Biology HL 4.1.1 Populations Question Bank
Practise IB Biology HL 4.1.1 by relating population definitions to species, shared area and ecological organization in varied examples.
- Syllabus
- First assessment 2025
- Course
- Biology HL
- Level
- HL
Exam points
- Relate population definitions to species, shared area and the distinction between population and community.
- Interpret ecological examples to count populations and classify groups at the correct level of organization.
C4.1.1—Populations question 1
The photograph shows Japanese knotweed, Reynoutria japonica, which is native to Japan, China and Korea. It has been introduced into other regions of the world and is now an invasive alien species in parts of Europe and North America. Dense groups of stems often develop with a height of up to 3 metres, which prevent other plants from growing.
State the biological term for a group of organisms of the same species living in an area.
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