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Ecology Study of the interaction of organisms and their environment
Biosphere The part of the planet containing living organisms
Ecosystem A group of clearly distinguished organisms that interact with their environment as a unit
Habitat Place where plants or animals live
Population All the members of the same species living in an area
Community All the different populations in an area
Abiotic factors Non-living factors
Biotic factors Living factors
Climate factors Weather over a long period of time
Edaphic factors Relate to soil
Flora All the plants in the ecosystem
Fauna All the animals in the ecosystem
Producers Organisms that carry out photosynthesis
Consumers Organisms that take food from other organisms
Decomposers Organisms that feed on dead organic matter
Detritus feeders Organisms that feed on small pieces of dead organic matter
Trophic level Feeding stages in a food chain
Grazing food chain A sequence of organisms in which each one is eaten by the next member in the food chain
Food web Consists of two or more interlinked food chains
Pyramid of numbers Represents the number of organisms at each trophic level in a food chain
Niche The functional rode an organism plays in its community
Nutrient recycling The way in which elements are exchanged between the living and non-living components of an ecosystem
Pollution Any harmful additions to the environment
Pollutants Harmful additions to the environment
Conservation The wise management of existing natural resources in an ecosystem, in order to maintain a wide range of habitats and prevent the death and extinction of organisms
Created by: jennybren