Ecology 0.0 / 5 ? BiologyEcology and Environmental ScienceGCSEAQA Created by: VoguehCreated on: 21-03-15 10:41 Ecology The study of organisms in relation to the environment. 1 of 18 Habitat Where an organism lives - all the conditions that surround a living organism. 2 of 18 Population A group of organisms of the same species living in a habitat 3 of 18 Community All the populations of different organisms that live together in a habitat. 4 of 18 Ecosystem A community and the habitat in which it lives. 5 of 18 Niche The role (or job) of a species in it's ecosystem - no two species can have the same niches in a habitat. 6 of 18 carnivore An animal that eats meat or flesh only. 7 of 18 emigration The action of leaving a country to move permanently somewhere else. 8 of 18 herbivore An animal that feeds only on plants. 9 of 18 immigration The action of coming to live permanently in another country. 10 of 18 invertebrate An animal without a backbone. 11 of 18 organism Living entity, eg animals, plants or microorganisms. 12 of 18 pH Scale of acidity or alkalinity. A pH (power of hydrogen) level below 7 is acidic, a pH level above 7 is alkaline. 13 of 18 population All of the members of a single species that live within a geographical area. 14 of 18 quadrat A square frame of known area used for sampling the abundance and distribution of slow or non-moving organisms. 15 of 18 reproducibility The ability of a measurement, test or observation to be reproduced in order to increase validity of the conclusion. 16 of 18 species Used in the classification of living organisms, referring to related organisms capable of interbreeding. 17 of 18 validity The extent to which a measurement, test or observation can be repeated or reproduced to get similar data to support a conclusion. 18 of 18
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