N5 3.2 Distribution of Organisms

Front

Abiotic Factors

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Non-living factors of an ecosystem that can influence where an organism can live, such as temperature, soil moisture, pH, and light intensity.

Front

Biotic Factors

Back

Living factors of an ecosystem that can influence where an organism can live, such as disease, predation, grazing, and food availability.

Front

Light Intensity

Back

The amount of light available.

Front

Light Meter

Back

A piece of equipment used to measure light intensity.

Front

pH Meter

Back

A piece of equipment used to measure pH.

Front

Soil Moisture

Back

The water content of soil.

Front

Moisture Meter

Back

A piece of equipment used to measure soil moisture.

Front

Thermometer

Back

A piece of equipment used to measure temperature.

Front

Quadrat

Back

A piece of equipment used to sample the abundance and distribution of slow or non-moving organisms.

Front

Line Transect

Back

When you take samples along a line. Usually used to determine the effect of abiotic factors on the distribution of organisms, however, you can also place quadrats along the line at regular intervals.