Biodiversity - AS biology 0.0 / 5 ? BiologyDNA, genetics and evolutionASOCR Created by: GracieCreated on: 02-06-13 20:44 Def of Biodiversity The variety of living organisms in an area 1 of 24 Def of species A group of simular organisms that can reproduce to produce fertile offspring 2 of 24 Def of habitat The place where an organism lives 3 of 24 Genetic Diversity The range of different genetic (eg, blue/brown eyes) 4 of 24 Why are there different estimation of population of species ? Hard to document, eg, rainforest. Also if a virusshould e counted as living 5 of 24 What are the reasons why we should chang Biodiversity (EEEAA) Economic, Ecological, Ethical, Aesthetic, Agricultural. 6 of 24 What are Economic reasons ? Food and drink, clothing, drugs, fuels, materials 7 of 24 Ecological reasons Food chains, nutrient cycles, loss of habitat, climate 8 of 24 Ethical Right to exist, moral responsibility, relgion 9 of 24 Aestetic Attractive, visitors 10 of 24 Agriculture Pollinators, food, pest control, variety, disasters 11 of 24 What can climate change cause ? Migration, extinction, disease - mosquitos, fungal infections. Agriculture - more area available, different crops grown, disrupts food chain 12 of 24 Sampling must be ? Random, not biased 13 of 24 Species richness Number of species in a habitat 14 of 24 Species evenness A messure of the relatve abundae of a species 15 of 24 what is n Total number of one species 16 of 24 what is N total number of all species 17 of 24 Simpsons index of diversity formula ? D =1 - (E(n / N )2) 18 of 24 In situ conservation conserving a species in its natural enviroment 19 of 24 Ex situ species in a different habitat, outside its habitat- zoo 20 of 24 CITES CONVETION ON INTERNATIONAL TRADE IN ENDANGERED SPECIES 21 of 24 What do CITES do regulate trade, limiting trade, awareness 22 of 24 Rio convention sustainability, responsability, gudience 23 of 24 EIA ENVIROMENTAL IMPACT ASSESMENTS` 24 of 24
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