Ecology definitions 0.0 / 5 ? BiologyEcology and biodiversityA2/A-levelAQA Created by: Antonia LoizouCreated on: 12-03-15 07:29 ecosystem all the interacting biotic and abiotic features in a specific area. They are more or less self contained functional units. 1 of 12 environment All the factors which affect an organism in its habitat; these may either be biotic, abiotic or weather conditions. 2 of 12 Population A group of interbreeding organisms of one species in a habitat at one time. 3 of 12 Community All the populations of different organisms living and interacting in a particular place at the same time. 4 of 12 Habitat A place where a community of organisms live. 5 of 12 Species A group of potentially interbreeding individuals which do not normally interbreed with other groups/species to produce viable, fertile offspring. 6 of 12 Abiotic factors Non-living parts of the environment. E.g Temperature, light, pH, water and humidity. 7 of 12 Biotic factors Living parts of the environment. E.g. Disease, competition and predation. 8 of 12 Producer The first organism in a food chain; an autotroph. (i.e it is capable of producing/manufacturing organic molecules normally through photosynthesis.) 9 of 12 Primary Consumer The second organism in a food chain. The organism obtains energy from the producer, this is a herbivore. 10 of 12 Secondary Consumer The organism obtains energy from the primary consumer, this is a carnivore. 11 of 12 Niche The role of an organism within an ecosystem. No two species occupy the same niche in the same habitat at the same time. 12 of 12
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