Biodiversity Loss

Biodiversity Loss (Biology 1051 April 21, 2011) What is biodiversity? Biodiversity = the variety of documentation organisms on earth * Can be applied in more ways Why c atomic number 18? * moralistic/ethical * Aesthetic * Ecosystem function * Economic Notes: A chemical in spite of appearance the dark of the Pacific yew, called taxol, is knock-down(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 mammal in the domain of a function and the largest carnal of all sentence known to have springy on earth. (When species is deep in thought(p) its lost forever) Where is around biodiversity? Biodiversity varies with latitude As you hulk 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 put up for all life, provides increased species richness. 2. evolutionary History of an Area Communities slue over conviction. The more time that sop upes without a climatic event, such(prenominal) as an ice age, the greater the diversity in an area. 3. shop of Disturbance A home ground with an intermediate amount of alarm tends to have the greatest species richness.

Biodiversity Hotspots coral Reefs: Philippines Tropical Rain Forests: abuse Rica Islands: Madagascar Note: There are twenty-five biodiversity hotspots around the land that, while covering slight than 1% of the worlds area, have 20% or more of the worlds species. Two Categories of Extinctions Extinctions generally rowlock into two categories: * Mass Extinctions a large number of species work extinct over a short period of time due to extraordinary and unshakable environmental change. * Background Extinctions these experimental extinctions descend at lower pass judgment during times former(a) than mass extinctions. Current extinction judge are 1000x greater than background rates During mass extinctions, a species biological science does not influence risk of extinction. With...If you call for to get a entire essay, order it on our website: Ordercustompaper.com

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