Biology Unit 5 - Abundance and Distribution 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelEdexcel Created by: lauraking20Created on: 11-06-17 08:43 Ecosystem? All the organisms living in a particular area and all the abiotic factors 1 of 14 Population? All the organisms of one species in a habitat 2 of 14 Community All of the organisms of different species that live in the same habitat/interact with each other 3 of 14 Abiotic? Non-living (features of the ecosystem) 4 of 14 Abundance The number of individuals of one species in a particular area 5 of 14 Distribution Where a species is within a particular area 6 of 14 Interspecific competition Competition between species (different species) 7 of 14 Intraspecific competition Competition within a species (same species) 8 of 14 What are they often competing for? The same resources 9 of 14 What is predation? When an organism (predator) kills another organism (prey) 10 of 14 Abiotic factors? (5) Amount of sun, climate (rain, temp), pollution, oxygen conc, salinity 11 of 14 Biotic factors? (4) 1) Competition 2) Grazing 3) Disease 4) Mutualism 12 of 14 What is mutualism? Is a relationship in which both partners benefit 13 of 14 Each species occupies their own Niche 14 of 14
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