investigating populations 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelEdexcel Created by: kjaneway1Created on: 11-06-15 20:41 habitat the place where an organism nornaly lives which is characterised by physical conditions and the species of other organisms present 1 of 7 random sampling is used to avoid bias in collecting data. whitch ensures data is valid 2 of 7 systematic sampling samples taken at regular intervals within a set sampling area 3 of 7 abundence counting the number of individuals of a species in a given space 4 of 7 frequency the likelyhood of a particular species occuring in a quadrat. it gives a quick ides of the species present and there general distribution with an area 5 of 7 persentage cover an estimate of the area within a quadrat that a particular species covers 6 of 7 mark relase capture known number animals captured, marked and released then sometime later a given number of individuals are collected randomy and mark released 7 of 7
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