Define evolution. How does it occur ? Describe how fossils provide us evidences in support of evolution.
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Evolution means that new organisms being born from other species which have some features of its and the animal born from evolution has much more salient features than its ancestors.It occurs when the animal is kept in a different place than its environment as its offsprings will be adapted to the surroundings there.The fossils provide us evidences in support of evolution because when the fossils were found they were similar as the species found in the present world.For example if we take human species it is evolved from many ancestors.
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✪ Evolution is the process of change from simple life forms to complex life forms by gradual change. It is generating diversity and shaping the diversity.
✪ It occurs over the course of time and generations by variation, speciation, natural selection, genetic drift etc. Fossils are preserved traces of living organisms.
✪ It helps us to find the intermediate forms in between two classes etc. For example fossils of archaeopteryx helps us to know better about the intermediate form between reptiles and aves.
✪ It tells about the extinct species through the fossil or their retained body impressions.
✪ It helps us to know the evolutionary relationships.
✪ This also shows the line of development from primitive to complex organisms.
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