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Created by JonesKamel
over 11 years ago
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Question | Answer |
Ecosystem | A community of interdependent organisms and the physical environment they inhabit |
Community | A group of populations living and interacting with each other in a common habitat |
Biotic | Living components within an ecosystem |
Abiotic | Non-living factors of an ecosystem |
Trophic level | Position that an organism or a group of organisms in a community occupies in a food chain |
Species | A group of living organisms consisting of similar individuals capable of interbreeding and producing fertile offspring |
Population | A group of individuals of the same species living in the same area at the same time |
Habitat | The environment where a species normally lives |
Niche | The status of an organism within its environment and community - how it 'makes a living' |
Biome | A collection of ecosystems sharing common climatic conditions |
Biospehere | The part of the Earth that is inhabited by organisms |
Productivity | Production per unit time |
Gross productivity | Total gain in energy or biomass per unit area per unit time |
Net productivity | Gain in biomass per unit area per unit time that remains after respiration |
Primary productivity | Productivity by plants |
Secondary productivity | Productivity in animals |
Net primary productivity (calculation) | NPP = GPP - R |
Net secondary productivity (calculation) | NSP = GSP - R |
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