Populations Flashcards 0.0 / 5 ? BiologyEcology and biodiversityA2/A-levelAQA Created by: Jack hillCreated on: 15-02-14 15:05 Population size The total number of organisms of one species in a habitat 1 of 5 Population size varies because of... Abiotic factors (temperature, light, water) & Biotic factors (interspecific & intraspecific compeition) 2 of 5 Interspecific competition organisms of different species compete with each other for the same resource e.g. food 3 of 5 Intraspecific competition organisms of the same species competing for the same resources e.g. food 4 of 5 Demographic Transition Model Shows trends in human populations 5 of 5
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