The amazing variety of life on Earth is called biodiversity. Biodiversity is the degree of variation of life forms within a given species, ecosystem, biome, or an entire planet.Biodiversity is in part a function of climate. In terrestrial habitats, tropical regions are typically rich whereas Polar Regions support fewer species. Rapid environmental changes typically cause mass extinctions. One estimate is that... More

  The amazing variety of life on Earth is called biodiversity. Biodiversity is the degree of variation of life forms within a given species, ecosystem, biome, or an entire planet. Biodiversity is in part a function of climate. In terrestrial habitats, tropical regions are typically rich whereas Polar Regions support fewer species. Rapid environmental changes typically cause mass extinctions. One estimate... More