Biological diversity. The many and varied forms of life on Earth (collectively known as In simple terms, this word is a collective term for all living things. To refer only to animals, we use the word fauna, and for plants, flora. See also 'biodiversity'.... More). As well as diversity of species (species diversity), there is also diversity within populations of a single species (genetic diversity) and diversity of ecosystems like seas, grasslands, wetlands, forests and lakes (spatial habitat diversity).
Species diversity in the Arctic is quite low, especially compared with tropical regions. However, genetic diversity is relatively high in Definitions of the Arctic vary according to environmental, geographical, political, cultural and scientific perspectives. Some scientists define the Arctic as areas having a high latitude, long winters, short, cool summers,... More species. This has increased their capacity to adapt to changes in the Arctic environment.