Zusammenfassung der Ressource
Topic 5.1 Key Words
- Biosphere
- Part of the earth occupied living organisms.
- Ecosystem
- An ecological term refering to all the organisms living in a particular environment.
- Abiotic
- An ecological factor that is part of the non-living or physical environment of an organism.
- Solar Energy Input
- Climate
- Topography (physical environment ie. Slope)
- Oxygen availabilty
- Edaphic (soil)
- Pollution.
- Catastrophies
- Biotic
- An ecological factor that is part of the living environment of an organism.
- Predation
- Competition (interspecific/intraspecific)
- Grazing
- Parasitism
- Mutualism
- Photosyntheis
- The process by which by which plants and certain other organisms are able to convert CO2 into carbohydrates using light energy
- Habitats
- A particular place where a community of organisms are found
- Population
- A group of individuals belonging to one species
- Community
- All living organisms found in a particular place at a particular time
- Interspecific
- Between different species
- Intraspecific
- Between members of the same species
- Density dependant
- An ecological factor whose effects are related to the population density of the organism concerned.
- Predator
- An organism that feeds on another organism
- Anthropogenic factors
- Ecological factor arising from human activity that affects the organisms living in an ecosystem
- Herbivore
- An organism that feeds on plants or other photosynthesising organisms
- Succession
- The ecological process in which one community progressively changes into another
- Primary Succession
- Is a succession that starts in a place where there has not been a community before.
- Pioneer Species
- The first organisms to colonise a newly formed habitat or habitat which has been cleared on vegetation
- Climax Community
- The different species of organisms that make up the final stage of an ecological succession
- Secondary Succession
- A succession which starts where an existing community has been cleared
- Deflected Succession
- A community which remains stable only because of human activity