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All of the following influenced Darwin as he synthesised the concept of natural selection except

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Important Questions on Heredity and Evolution

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Define 'Species'. What are the important factors leading to the rise of a new species?
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Why are traits acquired during the lifetime of an individual not inherited?

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We have more similarities with _____ in evolutionary terms. (chimpanzees, rabbit, cat, camel).

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Observe the illustration and answer the questions.

Name the Scientists who devised the experimental setup shown above.

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During the course of evolution, the process by which the characteristic features of the members of a species modify due to the influence of various factors and thus give rise to the organisms with new characteristic features is called
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Explain the following:

Gene Flow

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Which one of the following gases was not present in the atmosphere of primitive earth ?
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What do you mean by acquired characters?

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What would you understand by geographical isolation? Will this be a major factor in the speciation of a self-pollinating plant species? Why or why not?
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Mention the factors that could lead to the rise of a new species.

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What are the different ways in which individuals with a particular trait may increase in a population?
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Who among the following scientists proposed the theory of natural selection independently of Charles Darwin ?
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Answer the questions based on the figure below:

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Which processes does the figure demonstrate?

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What is Gene flow? How does it occur? Discuss.
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Answer the questions based on the figure below:

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Explain the series of incidents shown in the figure.

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Parthenium is an exotic species in our country, Other indigenous species cannot survive in such places where it grows. This establishes one of the postulates of Darwin's theory. Identify the postulate
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Which one of the following is the intraspecific struggle for the same food?
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Enumerate (in any six points) the basis of Darwin theory of natural selection.
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Describe the facts on which Darwin's theory is based.
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Science>Biology>Heredity and Evolution>Theory of Evolution
The mode of speciation mediated by geographical isolation is referred as