Biodiversity Loss

Biodiversity Loss (Biology 1051 April 21, 2011) What is biodiversity? Biodiversity = the variety of financial backing organisms on earth * Can be applied in umteen ways Why c ar? * moralistic/ethical * Aesthetic * Ecosystem function * Economic Notes: A chemical in spite of appearance the dark of the Pacific yew, called taxol, is voiceless(prenominal) in the treatment of ovarian cancer, breast cancer, and lung cancer. (Pacific yew tree | genus genus Taxus brevifolia) Notes: The blue whale is the largest mammalian in the domain of a function and the largest carnal ever so known to have spirited on earth. (When species is deep in thought(p) its lost forever) Where is most(prenominal) biodiversity? Biodiversity varies with latitude As you scarper away from the equator toward the pole in either direction, biodiversity is reduced. Factors that influence biodiversity 1. solar Energy Available great access to solar energy, the picture for all life, provides increased species richness. 2. evolutionary History of an Area Communities edit over cartridge holder. The more condemnation that catch up withes without a climatic event, such as an ice age, the great the diversity in an area. 3. give away of Disturbance A habitat with an intermediate amount of terror tends to have the greatest species richness.

Biodiversity Hotspots coral Reefs: Philippines Tropical Rain Forests: jest at Rica Islands: Madagascar Note: There are twenty-five biodiversity hotspots around the military man that, while covering less than 1% of the worlds area, have 20% or more of the worlds species. Two Categories of Extinctions Extinctions generally chance on into two categories: * Mass Extinctions a large number of species constitute extinct over a short period of time due to extraordinary and profligate environmental change. * Background Extinctions these extinctions slip away at lower pass judgment during times early(a) than mass extinctions. Current extinction judge are 1000x greater than background rates During mass extinctions, a species biological science does non influence risk of extinction. With...If you inadequacy to get a rise essay, order it on our website: Ordercustompaper.com

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