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Active transport
Process that can move substances across cell membranes from low concentrations to high concentrations (against the concentration gradient). Active transport uses energy and is carried out by carrier proteins in the cell membrane
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Battery farming
Farming technique in which large numbers of animals are reared indoors
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Biodiversity
Measure of how many different types of organisms live in an area
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Biological control
Using a natural predator to control a past, instead of chemical pesticides
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Xylem
Plant tissue made up of dead cells that has the function of transporting water and dissolved water through the plant
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Decay
Breakdown of organic matter, such as dead organisms or food, by microbes
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Diffusion
The spreading of the particles of a gas or a substance in solution, resulting in a net movement from a region of high concentration to a region of lower concentration. The bigger the difference in concentration, the faster the diffusion happens.
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Limiting factor
Factor such as carbon dioxide level, light or temperature that will affect the rate of photosynthesis if it is in short supply. Increasing the limiting factor will increase the rate of photosynthesis
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Transpiration
Movement of water up through the xylem of a plant, from the roots up to the leaves where it evaporates
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Phloem
Plant tissue made up of living cells that has the function of transporting food substances through the plant
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Other cards in this set

Card 2

Front

Farming technique in which large numbers of animals are reared indoors

Back

Battery farming

Card 3

Front

Measure of how many different types of organisms live in an area

Back

Preview of the back of card 3

Card 4

Front

Using a natural predator to control a past, instead of chemical pesticides

Back

Preview of the back of card 4

Card 5

Front

Plant tissue made up of dead cells that has the function of transporting water and dissolved water through the plant

Back

Preview of the back of card 5
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