GEEslidesSet1 20Jan2010

GEEslidesSet1 20Jan2010 - Chapter 1 How immune system fight...

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Chapter 1 How immune system fight the vital infection? Know figure’s main point Detail F-1.5 how virus get into cell=> CD4 is involve in the particle getting into the cell.
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READING FOR EXAM 1: Chapter 1 in Freeman and Herron Pp. 3-36. The material from this chapter will not be covered in class, but 10 questions on the exam will be from this material.
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Gene: The unit of inheritance that occupies a specific locus on a chromosome (www.biology-online.org). Ecology: The scientific study of the distribution and abundance of organisms and the interactions that determine distribution and abundance (Begon, Townsend and Harper, 2006). Evolution: Changes in the properties of populations of organisms. The changes in populations that are considered evolutionary are those that are inheritable via the genetic material from one generation to the next (Futuyma, 1998).
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“Nothing in biology makes sense except in light of evolution” Theodosius Dobzhansky 1973
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THE ECOLOGY OF HUMANS
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THE ECOLOGY OF HUMANS
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THE ECOLOGY OF HUMANS
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THE ECOLOGY OF HUMANS
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THE ECOLOGY OF HUMANS
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Amistad Gambusia ( Gambusia amistadensis )
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Amistad Reservoir
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What happened to the Amistad Gambusia? Originally endemic to the Goodenough Spring, a spring located near the Rio Grande on the border between Mexico and Texas. Endemic: unique to a defined place or region Construction began on the Amistad Dam in 1965 near the confluence of the Rio Grande and Devils River. Primary functions of the dam are to provide flood control and water conservation. It also provides power and recreational opportunities.
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The dam was dedicated to President Richard M. Nixon and Mexican President Diaz Ordaz in 1969.
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What happened to the Amistad Gambusia? Amistad dam gates were closed in 1968, and the water level started rising toward Goodenough Spring. George Henderson of the Texas Parks and Wildlife Department notified Alex E. Peden of a possibly new species of Gambusia in Goodenough Spring. Van Conner and Monta Zengerle of Texas A&M University collected several hundred specimens on April 11, 1968. On July 12, 1968, reservoir water levels reached the spring. Another 30-40 Amistad Gambusia were collected from the flooded spring on August 3, 1968.
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Goodenough Spring It is now under 30-40 meters of lake water, and the Amistad Gambusia’s habitat is obliterated.
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What happened to the Amistad Gambusia? What about the hundreds of fish collected in a last ditch effort to save the species? Some were taken to Texas University in Austin. In 1973, the Amistad Gambusia was first described as a distinct species (after it was extinct in the wild). In 1974, some fish were transferred to Dexter National Fish Hatchery in New Mexico to maintain a stock there.
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What happened to the Amistad Gambusia? Disaster befell both populations.
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This note was uploaded on 04/09/2010 for the course BIOL 214 taught by Professor Pepper during the Spring '08 term at Texas A&M.

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GEEslidesSet1 20Jan2010 - Chapter 1 How immune system fight...

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