Organisms best adapted to a changed environment are more likely to reproduce and pass their genes to offspring.
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Vestigial structures support the theory of evolution. Basically, vestigial structures have marginal use to organisms but had some function in their ancestors. Examples in humans are appendix, canine teeth, and tailbone. Other examples: eyes...
http://answers.yahoo.com/question/index?qid=20090325221...
Imaginations were challenged in 1966 by the science fiction film called Fantastic Voyage. A submarine and a group of scientists were shrunk and injected inside a man’s body. In a race against time, they performed micro-surgery on him before...
http://creation.com/fantastic-voyage
Well it predicts that populations will evolve when evironmental pressures occur, B. A and C is just obviously flows from B and D is part of the definition of what evolution is. Survival of the fittest doesn't mean that the biggest and badis...
http://answers.yahoo.com/question/index?qid=20081130114...
It depends on what you mean by modern. You could be talking about Charles Darwin, or you might be talking about the founders of the Modern Synthesis, and there were several of those, such as Fisher, Haldane, Wright, and Mayr.
http://answers.yahoo.com/question/index?qid=20100130121...
When Darwin came up with his theory of natural selection, he described how all species have variation inherent in their populations. He knew that this variation was what led to evolution, with survival of the fittest acting as a selecting a...
http://answers.yahoo.com/question/index?qid=20080224211...
All organisms alive today have been, is and will be evolving. Therefore nothing in biology makes sense except in light of evolution. For example, in medicine, the resistance of bacteria to antibiotics would not make sens...
http://wiki.answers.com/Q/What_is_important_of_the_theo...