BIOLOGY 4: Investigating Photosynthesis 4.0 / 5 based on 1 rating ? BiologyPhotosynthesis and transpirationGCSEOCR Created by: Chloe HanslowCreated on: 27-05-13 17:19 Why are transects used? To investigate how something changes across an area 1 of 9 How do you set up a transect? You run a tape measure between two fixed points 2 of 9 How do you collect data using a transect? You start at one end of the transect, moving along it, collecting the data you need 3 of 9 What are 3 things other than a transect, that can help people collect data? Light meter, quadrat and identification key 4 of 9 What could you use to measure the level of light? A light meter 5 of 9 What is a light meter? A sensor that accurately measures light level 6 of 9 What is a quadrat? A square frame divided into a grid of 100 smaller squares 7 of 9 What is an identification key? A series of questions you can use to figure out what a plant is 8 of 9 What do you use an identification key for? To identify different plant species 9 of 9
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