IB Biology: B4.1 Adaptation to environment (first exams in 2025)

This lesson can be purchased as part of the IB Complete course bundle (first exams 2025) at a heavily discounted price, formed of 40 fully resourced lessons, end of topic exams and student checklists. It can be found here

This PowerPoint contains everything you need to teach the B4.1 Adaptations to environment in the new IB Biology specification.

**YouTube video is a preview of the full resource (does not include all slides)
**

This Powerpoint consists of 60 slides and contains the followings:

All the information ( HL) the IB have included in the new spec.
Exam tips
Clear diagrams
Student research tasks
Clearly identified HL and SL content
Student checklist
Summary

The following content is included:

B4.1.1: Define habitat as a place in which a community, species, population or organism lives.
B4.1.2: Define adaptation and discuss various ways that organisms have adapted to the abiotic factors of their habitat particularly the sand dunes and mangrove swamp.
B4.1.3: Explain how abiotic variables affect a species distribution and contribute to its range of tolerance.
B4.1.4: Use transect data to correlate the distribution of an organism using sensors and data loggers.
B4.1.5: State the conditions required for coral reef formation.
B4.1.6: Describe how abiotic factors act as the determinants of terrestrial biome distribution.
B4.1.7: Recognise biomes as groups of ecosystems with similar communities due to similar abiotic conditions and convergent evolution
B4.1.8: State the adaptations to life in hot deserts and tropical rainforest.