Unit 6 ecology Flashcards
The process in which organic matter and nutrients slowly build up in a lake or pond.
Eutrophication
an event that changes an ecosystem
disturbance
The slow development or replacement of an ecological community over time.
Ecological Succession
A community that starts to grow in an area that has no soil.
Primary Succession
The first organisms to live in an uninhabited area…
Pioneer species
A community that regrows in an area that has been damaged.
Secondary Succession
The final stage of succession wherein plant and/or animal populations stay balanced until destroyed.
Climax Community
The number and variety of species that are present in an area.
biodiversity
An example of a pioneer species that can grow on rock and help form soil
Lichens
A community of living organisms and their nonliving environment.
Ecosystem
the place where an organism lives within an ecosystem
Habitat
a region of Earth where the climate determines the type of plants that live there.
Biome
Contains permafrost, a permanently frozen layer of soil, and is found in the Arctic and high mountain regions.
Tundra
Boreal forest. Much like the Tundra, but with more precipitation.
Tiaga
Hot, dry biome with very little rainfall.
Desert
