NEET > Biology Class 12 > Introduction to Evolution
Introduction to Evolution Video Lecture - Biology Class 12 - NEET
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157 videos|398 docs|239 tests
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FAQs on Introduction to Evolution Video Lecture - Biology Class 12 - NEET
| 1. What is evolution? |  |
Ans. Evolution is the process by which different species of organisms develop and change over time, leading to the diversity of life on earth. It is driven by natural selection, genetic drift, and other mechanisms that allow for genetic variation and adaptation to changing environments.
| 2. How does natural selection work in evolution? | |
Ans. Natural selection is a key mechanism of evolution, where individuals with advantageous traits are more likely to survive and reproduce, passing on those traits to their offspring. Over time, these advantageous traits become more common in a population, leading to evolutionary change.
| 3. What is the evidence for evolution? | |
Ans. There is a wealth of evidence for evolution, including fossil records, comparative anatomy and embryology, molecular biology, and biogeography. These different lines of evidence all support the idea that life on earth has evolved over time and continues to evolve today.
| 4. Can evolution be observed in real-time? | |
Ans. Yes, evolution can be observed in real-time through experiments and observations of natural populations. Examples include the evolution of antibiotic resistance in bacteria and the adaptation of finches in response to changes in their environment.
| 5. Is evolution a scientific fact or just a theory? | |
Ans. Evolution is both a scientific fact and a theory. The fact of evolution refers to the observed patterns of change in the diversity of life over time, while the theory of evolution provides an explanation for how and why these patterns occur. The theory of evolution is supported by a vast amount of evidence from multiple fields of science and is widely accepted in the scientific community.
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Sushil Kumar |
Video Description: Introduction to Evolution for NEET 2023 is part of Biology Class 12 preparation.
The notes and questions for Introduction to Evolution have been prepared according to the NEET exam syllabus.
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157 videos|398 docs|239 tests
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Timeline
| 00:17 | Introduction |
| 01:55 | Question 1 |
| 01:56 | Asexual Reproduction |
| 03:12 | Sexual Reproduction |
| 06:16 | Natural Selection |
| 07:09 | Recap |
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