Biodiversity is not evenly distributed across the Earth
Two examples of the uneven distribution of biodiversity are its distribution between the terrestrial and marine environments, and its concentration in tropical regions.
Distribution between the terrestrial and marine environments
Where is biodiversity highest? On land or in the marine environment?
There is a greater number of species in terrestrial ecosystems.
Tropical regions
Tropical regions contain at least two-thirds of all existing terrestrial species. This is another example of the uneven distribution of biodiversity on the planet.
