1.5.4 Choice of Habitat
Choice of Habitat
Relationship between an organism’s suitability to its
habitat and abiotic factors to include measurement
of any three of the following:
• pH
• Temperature (air and
ground or aquatic)
• Light intensity
• Water current
• Air current
• Dissolved oxygen
• Mineral content
• Percentage air in soil
• Percentage water in soil
• Percentage humus
• Salinity
• Degree of exposure
• Slope
2
From ‘Syllabus Clarifications’
• 1.5.4 Keep it simple – presence or absence of
the abiotic factor will suffice.
• Measure simply – e.g. temperature. Relate
the abiotic factor to the ecosystem being
studied.
• Three (3) suitable factors that are relevant
/present in the habitat from the list above.
Investigate these factors in the investigation.
Suitability to habitat. (Syllabus P13, Teacher
Guidelines P23).
3
Need to know
• Show how the range of organisms living in
a habitat are determined by the abiotic
factors present
• Investigate and report on any 3 Abiotic
Factors.
4
END
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