Essay on the Main Patterns of Distribution of Biota over the Globe
Essay on the Main Patterns of Distribution of Biota over the Globe !The plants and animals exhibit the following specific patterns of distribution over the globe: 1. Continuous Distribution: A taxon distributed throughout the world in all climatic zones or in all the continents in at least one climatic zone is said to have continuous distribution. It is of the following types:. image source: desertbruchid.net ADVERTISEMENTS: Cosmopolitan distribution:Such a taxon or a species occurs in all climatic zones. The common plant species of nearly cosmopolitan distribution are Chenopodium album, Taraxcum officinale, Phragmites communis, Urtica dioica, Poa annua, etc. Among the animals the following species have cosmopolitan distribution: Tyto Alba, Ardea cineria, Falco pereginus, Vanessa cardui, Nonrrophria noctuella, and Macrobiotus hufelandi.Circumpolar distribution: ADVERTISEMENTS: Certain species such as Saxiphraga oppositaefolia, Carex lapponica,…