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GCSE
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More cards in this set
Card 16
Front
The variety of life in a particular ecosystem; biological diversity.
Back
Card 17
Front
Amount of organisms in an area.
Back
Card 18
Front
a group of organisms in an area.
Back
Card 19
Front
The function or role that a species serves in an ecosystem.
Back
Card 20
Front
A process in which the sun's energy is turned into chemical energy.
Back
Card 21
Front
a substance used to kill pests.
Back
Card 22
Front
the increase in concentration of a substance, sch as pesticide, as it moves higher in the food change.
Back
Card 23
Front
The fertile, upper part of the soil.
Back
Card 24
Front
the bed of the earth or earthy material immediately under the surface soil. Also called under-soil.
Back
Card 25
Front
Unbroken solid rock, overlaid in most places by soil or rock fragments.
Back
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