B1.4 - Key Words

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Description and Tags

Biology

Cells

GCSE Combined Science

OCR Gateway

6 Terms

1
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Biomass
The total mass of organisms in a given area
2
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Chlorophyll
Green pigment in chloroplast which traps energy from the Sun
3
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Endothermic
A chemical reaction in which energy is transferred from the surrounding to the reacting mixture
4
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Limiting factors
Factors which can prevent an increase in the rate of photosynthesis
5
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Photosynthesis
Process by which producers make food - carbon dioxide and water react to form glucose and oxygen
6
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Producers
Organisms that make their own food through the process of photosynthesis