OCR AS Biology Biodiversity Definitions 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyASOCR Created by: BethcrCreated on: 09-03-14 16:41 Biodiversity the variety of life. The range of living organisms to be found 1 of 14 Habitat the place where an organism lives 2 of 14 Species A group of individual organisms ery similar in appearance, anatomy 3 of 14 Habitat Diversity range of habitats in which different species live. 4 of 14 Species Diversity the number of different species and the abundance of each species in an ecosystem. 5 of 14 Genetic Diversity The variation of alleles within species 6 of 14 Species Richness Number of species found in a habitat, no identification needed, no account of individuals. 1 daisy has as much influence as 1000 buttercups 7 of 14 Species evenness the relative number or abundance of individuals in each species 8 of 14 Simpson's Index of Biodiversity a formula used to measure biodiversity of a habitat taking into account species richness and evenness 9 of 14 Transect A line taken across a habitat 10 of 14 Sweep netting used to collect flying insects 11 of 14 Pitfall trap A trap in the ground for collection of insects, amphibians and reptiles; organisms remain stuck in the trap until it is emptied 12 of 14 Tullgren funnel captures small animals from leaf litter 13 of 14 Light trap Collects flying insects at night e.g. moths 14 of 14
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