Syllabus Edition

First teaching 2023

First exams 2025

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Adaptation to Environment (SL IB Biology)

Topic Questions

9 mins2 questions
1a5 marks

Place a (✓) or (X) in the correct columns for each of the factors listed in the table below:

    Biotic Abiotic
Sunlight      
Predation      
Food availability      
Mineral availability      
Temperature      
1b
Sme Calculator
3 marks

Marram grass (Ammophila breviligulata, pictured below) is an example of a xerophyte.

marram grass on sand dunes

Partonez, CC BY-SA 4.0, via Wikimedia Commons

Define the term xerophyte and state two adaptations that marram grass has that makes it suitable to live in its particular habitat. 

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