Theories of Biology Essay Example | Topics and Well Written Essays - 250 words

Theories of Biology - search ExampleWashington, by getting a blood sample from a pregnant woman and a saliva specimen from the father, the genome of a fetus can be identified (Pollack, 2012). This new development get out be very useful in detecting genetic diseases even before the baby is born. It was come along found that gene mutations can be inherited from the parents.Aside from the surmise of inheritance, there are another(prenominal) major theories of biology. A famous speculation is Charles Darwins possibility of evolution by natural endurance (Pruitt & Underwood, 2006). This theory explains why there are different species on earth and how these species have evolved. Another theory is the cell theory which states that all organisms are composed of cells and that all cells come from preexisting cells (Pruitt & Underwood, 2006). Biological variety is another theory in biology which classifies living organisms according to their similarities and differences (Pruitt & Under wood, 2006). The fifth major theory is bioenergetics which affirms that the animation that powers life is regulated by the same energy in the inanimate universe (Pruitt & Underwood, 2006). The sixth theory explains that organisms can tolerate varying external conditions by maintaining stable conditions internally, known as homeostasis (Pruitt & Underwood, 2006). The latest theory of biology is ecosystems. This theory acknowledges that organisms are part of a population which is part of a larger surround composed of other living and non-living things (Pruitt & Underwood, 2006).Pollack, A. (2012, June 6). DNA blueprint for fetus built using tests of parents. Retrieved July 31, 2012, from The New York multiplication web site http//www.nytimes.com/2012/06/07/health/tests-of-parents-are-used-to-map-genes-of-a-fetus.html?_r=1&pagewanted=allPruitt, N. L., & Underwood, L. S. (2006). Chapter 1 - Biology What is the study of life? In N. L. Pruitt, & L. S. Underwood, Bioinquiry Making Connect ions in Biology (3rd ed) (pp. 1-18). Hoboken, NJ