What is the evidence behind Darwin's theory of Gradualism? Natural Selection?
What is the evidence behind Darwin's theory of Gradualism? Natural Selection?
Homework Answers
Ans- Darwin theory of natural selection has the following postulates.
1} All organism have a high capacity to reproduce.
2} Reproduction results in variation.
3}High reproduction rate puts a pressure on the environmental resources.
4} Limited availablity of resources will cause the species to struggle for existence
5} The organism have the best of variations that can allow them to survive in the changing environmental condition will reproduce and become dominant species
6} Such organism are said to undergone natural selection.
Thus, Natural selection of organism occurs due to variations providing survival advantage and fitness to reproduce,
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What is the evidence behind Darwin's theory of Gradualism?
Natural Selection?
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4.) Darwin's Theory of Natural Selection stated that: a.) At one time the earth held all the species and each catastrophic event would destroy certain species - survivors would repopulate the world b.) Environmental pressures and internal needs bring about changes in body form and function and this is passed on to their offspring c.) Process in which individuals with favorable inherited traits are more likely to survive and reproduce at a higher rate than other individuals 5.) Convergent...
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