Terms and Definitions 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelAQA Created by: AmeenaCreated on: 02-12-13 10:22 Terms and Definitions Chapter 1 1 of 13 Population A group of individuals of the same species in a habitat 2 of 13 Community Organisms of all species living in the same area 3 of 13 Habitat The place where an organism lives 4 of 13 Niche All the conditions and resources required for an organism to survive and reproduce 5 of 13 Random Sampling Sampling a population to eliminate bias 6 of 13 Systematic Sampling Regular samplng across an area 7 of 13 Mark-Release-Recapture Method of estimation population size in animals: (num in 1st sample x num in second sample)/marked animals in 2nd sample 8 of 13 Abiotic factors Non-living components in the environment 9 of 13 Biotic factors Living components in the environment 10 of 13 Interspecific competition Competition between organisms of different species 11 of 13 Intrasepcific competiton Competition between organisms of the same species 12 of 13 Ecosystem All the biotic and abiotic factors in an area 13 of 13
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