Science Unit 5- B2.4 0.0 / 5 ? ScienceOrganisms and their environmentGCSEAQA Created by: KittyMayWatsonCreated on: 12-01-14 12:31 What is a quadrat? It is a square frame that can be any size. It is placed randomly on the ground and everything inside it is counted 1 of 5 Physical factors that may affect the distribution of organisms are...? Temperature, nutrients, amount of light and the availability of water, oxygen and carbon dioxide 2 of 5 What are line transects? They are used to investigate the distribution of an organism over an area 3 of 5 What does a quadrat estimate? The amount of organisms in an area 4 of 5 Reliability of results can be improved by...? Taking a number of quadrats and finding the average number or organisms in the quadrats 5 of 5
EDEXCEL GCSE 9-1 COMBINED SCIENCE FOUNDATION PAPER 4 CHEMISTRY 2 MARK SCHEME SAMPLE ASSESSMENT MATERIAL 0.0 / 5
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