BIOL 121 Lecture Notes - Lecture 31: Ammonia, Chloroflexus Aurantiacus, Protist
Document Summary
Endemic species live in only one or a very small number of places (e. g. an island, a lake, etc. ) the opposite extreme are those species that occur in most regions of the world = cosmopolitan species. Gal pagos islands archipelago many endemic species of snails, plants, insects, reptiles, birds & mammals e. g. , 20 of the 22 species of reptiles are endemic & 180 of the 500 spp. of vascular plant are endemic. 24 (92%) of 29 species of land birds are endemic. 5 (26%) of 19 species of marine birds are endemic. Species are adapted to the environments in which they live. Adaptations to the environment example blue footed booby adapted for diving into water. Streamlined shape, large tail, and nostrils that closed: useful for diving - large, webbed feet propel the bird through water at high speeds - specialized salt-secreting glands manage salt intake while at sea - uropygial gland (for waterproofing)
