Populations 0.0 / 5 ? BiologyEcology, ecosystems and environmental biologyA2/A-levelAQA Created by: J.E.C.Created on: 20-10-13 11:29 Define Ecology? The study of inter-relationships between organisms and their environment. 1 of 5 What is meant by the term 'abiotic'? An ecological factor that makes up part of the non-biological environment of an organism (e.g.temp, pH, rainfall, humidity) 2 of 5 What is meant by the term 'biotic'? An ecological factor that makes part of the living environment of an organism (e.g. food availability, competition, predation) 3 of 5 Define 'biosphere'? The life-supporting layer of land, air and water that surrounds the Earth. 4 of 5 Give the two major processes to be considered when looking at an ecosystem? 1. The flow of energy through the system 5 of 5
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