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3.2 DISTRUBUTION OF ORGANISMS

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Total cards: 11•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (11)

#1
Front (Question)

Abiotic

Back (Answer)

Non living factor that affects a population

#2
Front (Question)

Biotic factor

Back (Answer)

Living factor that affects a population

#3
Front (Question)

Abiotic factor example

Back (Answer)

Light intesitu Moisture Ph Temperature

#4
Front (Question)

Biotic factor example

Back (Answer)

Competition for resources Disease Grazing Predation

#5
Front (Question)

How can abiotic factors be measured

Back (Answer)

Light intensity-light meter Soil ph-Ph probe Temperature-thermometer Soil moister-moisture meter

#6
Front (Question)

Abiotic factors sources of error

Back (Answer)

LIGHT INTENSITY shading the meter PH PROBE Probes not cleaned after use THERMOMETER Not left long enough to acclimatise conditions MOISTURE METER Not cleaned inbetween readings

#7
Front (Question)

Methods of sampling plants

Back (Answer)

Quadrat

#8
Front (Question)

Quadrant sources of error

Back (Answer)

Human judgement can be an issue

#9
Front (Question)

Method used to sample animals

Back (Answer)

Pitfall trap

#10
Front (Question)

Pitfall trap limitations

Back (Answer)

Not level with the soil

#11
Front (Question)

What is an indicator species

Back (Answer)

Species that by their precence or abscence indicate environmental quality/levels of pullution