Syllabus Edition

First teaching 2023

First exams 2025

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Habitats (HL IB Biology)

Revision Note

Naomi H

Author

Naomi H

Expertise

Biology

Habitats

Habitats

  • A habitat can be defined as follows

The place where an organism lives

  • Any one habitat will contain many species which together form a community
  • Habitats can be described in terms of
    • Geographical location, e.g. polar habitat is located at the North and South Poles
    • Type of ecosystem, e.g. grassland habitat occurs in many locations, including prairies in North America and Savannahs in Africa
prairie-grassland-habitat

CC BY-SA 2.5, via Wikimedia Commons

polar-arctic-habitat

CC BY 2.0, via Wikimedia Commons

desert-habitat-sahara

CC BY-SA 2.5, via Wikimedia Commons

wetland-habitat-london

CC BY-SA 2.0, via Wikimedia Commons

Habitats can be described in term of location and ecosystem type, e.g. North American grassland (top left), Arctic polar habitat (top right), Sahara desert (bottom left) and UK wetland (bottom right)

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Naomi H

Author: Naomi H

Naomi graduated from the University of Oxford with a degree in Biological Sciences. She has 8 years of classroom experience teaching Key Stage 3 up to A-Level biology, and is currently a tutor and A-Level examiner. Naomi especially enjoys creating resources that enable students to build a solid understanding of subject content, while also connecting their knowledge with biology’s exciting, real-world applications.