SCI230WK1TheoriesofBiology - maintaining stable conditions...

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The major theories of biology are; evolution by natural selection, inheritance, cells, biological classification, bioenergetics, homeostasis, and ecosystems. Evolution by Natural Selection has two parts; the first is “species (distinct forms of life) change or evolve over the generations.” The second is “the mechanism for this species change is called natural selection.” Inheritance or otherwise known as characteristics, “of organisms pass from one generation to the next by means of hereditary “factors,” now called genes.” Cells are the smallest component capable of showing every characteristics of life. Biological Classification is the evolutionary relatedness among species. Bioenergetics is transformation of energy in living organisms. Homeostasis is “Organisms tolerate widely varying external conditions by
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Unformatted text preview: maintaining stable conditions internally. Ecosystems are a specific area of size in which climate, landscape, animals and plants are constantly interacting. The Theory I choose to give an example which relates to the news today is cells. We see on the news all the time these days about cell research being done by scientist to find cures for diseases such as cancer, diabetes, Down syndrome, people who are autistic, and A.I.D.S. Many people set up fund raisers or even donate to this type of research. Maybe someday we will find a cure for this diseases and to think it would have all happened due to the study of cells. References: SCI/230 Week 1 Reading
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This note was uploaded on 07/23/2011 for the course SCI 230 taught by Professor Ratanya during the Winter '10 term at University of Phoenix.

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