The species of an organism community have adapted to the conditions of their ecosystem, such as the climate conditions and the soil type of theenvironment.
Lake types: oligotrophic and eutrophic lake.
If the lake contains few nutrients, such as nitrogen and phosphorous, the lake is considered oligotrophic.
If the lake contains a lot of nutrients, its plant life is rich, meaning that the lake is eutrophic.
Dry taiga forest is characterized by dry soil and pine trees.
Wet taiga forest is a typical type of spruce forest.
Broad-leaf forests have nutrient-rich soil and are characterized by the presence of broad-leaf trees.
Pine swamps and spruce bogs are bog types where trees can be found.
Open bogs have no trees.
Fells are mountaineous areas common to Northern Finland.
Key words: ecosystem, dry taiga forest, wet taiga forest, broad-leaf forest, pine swamp, spruce bog, open bog, oligotrophic lake, eutrophic lake, fell.
