IB ESS Topic 4 Definitions

Frage	Antworten
Biodiversity	Amount of biological or living diversity per unit area.
Species Diversity	Variety of species per unit area. Includes both number of species present + relative abundance
Habitat Diversity	Range of different habitats or number of niches per unit area in an ecosystem or biome
Genetic Diversity	Range of genetic material in a gene pool or population of a species
Species	A group of organisms that interbreed to produce fertile offspring
Isolation	Process by which two populations become separated by geographical, behavioural, genetic or reproductive factors
Speciation	Process through which new species form
Evolution	Changes in the genetic composition of a population over time
Plate tectonics	The movement of the 8 major and several minor internally rigid plates of the Earth's lithosphere in relation to each other of the partially mobile asthenosphere below
Succession	The orderly process of change over time in a community
Pioneer species	The first species to arrive in the formation of an ecosystem in primary succession
Climax community	A community of organisms that is stable + in equilibrium with natural environmental conditions. The final stage of ecological succession

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	Erstellt von ebongle24 vor etwa 9 Jahre