B1.4 - Key Words

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Biology

Cells

GCSE Combined Science

OCR Gateway

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6 Terms

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