Flashcards
Ecology
Cards in this deck (28)
- 1EcologyIs the study of the interactions between living things (organisms) and between organisms and their environment.
- 2BiosphereIs that part of the planet containing living organisms
- 3EcosystemIs a group of clearly distinguished organisms that interact with their environment as a unit.
- 4HabitatIs the place where a plant or animal lives.
- 5PopulationIs all the members of the same species living in an area.
- 6CommunityIs all the different populations in an area
- 7Abiotic FactorsAre non-living factors
- 8Biotic FactorsAre living factors
- 9Climate FactorsRefer to weather over a long period of time.
- 10Edaphic FactorsRelate to soil
- 11ProducersAre organisms that carry out photosynthesis
- 12FloraIs all the plants in the ecosystem
- 13ConsumersAre organisms that take in food from another organism.
- 14FaunaIs all the animals in an ecosystem
- 15DecomposersAre organisms that feed on dead organic matter.
- 16Detritus FeedersAre organisms that feed on small pieces of dead organic matter.
- 17Grazing Food ChainIs a sequence of organisms in which each one is eaten by the next member in the chain.
- 18Trophic LevelIs a feeding stage in a food chain.
- 19Food WebConsists of two or more interlinked food chains.
- 20Pyramid of NumbersRepresents the number of organisms at each trophic level (or stage) in a food chain.
- 21Ecological NicheThe ecological niche of an organism is the functional role it plays in the community.
- 22Nutrient RecyclingIs the way in which elements ( such as carbon & nitrogen) are exchanged between the living & non-loving components of an ecosystem.
- 23Nitrogen FixationIs the conversion of nitrogen gas into ammonia (NH3), ammonium (NH4+) or nitrate (NO3-).
- 24NotrificationIs the conversion of ammonia & ammonium (NH4+) compounds to nitrite and then to nitrate.
- 25DenitrificationIs the conversion of nitrates to nitrogen gas
- 26PollutionIs any harmful addition to the environment
- 27PollutantsAre harmful additions to the environment
- 28ConservationIs the wise management of the existing natural resources in an ecosystem, in order to maintain a wide range of habitats & prevent the death and extinction of organisms.
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- Flashcards on Ecology, created by Eimear Jackman on 04/04/2019.
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- Eimear Jackman
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