Syllabus Edition

First teaching 2023

First exams 2025

|

Adaptation to Environment (HL IB Biology)

Topic 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. 

Did this page help you?

Join over 500 thousand students
getting better grades