Study MaterialsNCERT SolutionsNCERT Solutions For Class 12 BiologyNCERT Solutions for class 12 Biology chapter 7 evolution 7.3 what are the evidences for evolution

NCERT Solutions for class 12 Biology chapter 7 evolution 7.3 what are the evidences for evolution

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NCERT Solutions for Class 12 Biology Chapter 7 Topic- What are the evidence of evolution?

NCERT Solutions for Class 12 Biology Chapter 7 Topic- What are the evidence of evolution? and all chapter Topics produced by qualified teachers according to NCERT (CBSE) book rules are available as a free PDF download. Class 12 Biology Chapter 7 Topic- What are the evidence of evolution? Questions with Solutions to assist you in revising the entire syllabus and achieving higher grades. Register to receive all exercise solutions through email.

Solutions

Overview of topic

Fossils indicate a path of evolution and provide substantial evidence that species from the past are not the same as those present now. Scientists assess the age of fossils and classify them from around the world in order to identify when organisms existed in relation to one another. The occurrence of structures in creatures with similar fundamental forms is another type of evidence for evolution. For example, the bones in a human’s appendages, a dog’s appendages, a bird’s appendages, and a whale’s appendages all have the same overall architecture, owing to their common ancestor’s appendages. Evolution has altered the shapes and sizes of these bones in diverse species over time, but the basic planning has persisted the same.

The convergence of form in species that share comparable habitats is another example of evolution. For example, in the polar region, unrelated animals such as the arctic fox and ptarmigan have been selected for seasonal white phenotypes to blend in with the snow and ice. These parallels arise not as a result of shared ancestry, but rather as a result of similar selection pressures, such as the advantages of not being spotted by predators.

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    FAQs (Frequently Asked Questions)

    1. Can I score full marks in Class 12 Chapter 7 Biology?

    Yes, you can easily score full marks in Class 12 Biology. All you need to do to score full marks in Biology is frequent practice. All of the concepts should be clear in this subject since many questions are expected in the board examination from this chapter. This will help you make your confidence up and well versed with the chapter and can score full marks in the exam. You should also refer to the NCERT Solutions of this chapter.

    2. What are the benefits of solving NCERT solutions by Infinite Learn?

    NCERT solutions by Infinite Learn are designed strictly according to the latest CBSE syllabus and it is the best way to study this chapter containing all the important points and formulas. The subject matter experts designed these NCERT solutions with the aim to make the learning process the most convenient way.

    3. How can I download the NCERT Solutions of this exercise from the Infinite Learn website?

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