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Evolution is the study of the different forms of life, its characteristics and the changes over several generations. It is the scientific theory used by biologists to study the genetic variation in a population. There are many theories about how life originated on the planet Earth.
NCERT
Jan 9, 2024 · 1. The study of history of life forms on earth is called evolutionary biology. 2. Evolution is a process that results in heritable changes in population spread over many generations leading to diversity of organisms on earth. 3. Origin of life is considered a unique event in the history of universe. (i) The Universe.
Mar 1, 2019 · Download free PDF notes on evolution for CBSE class 12 biology students. Learn about the origin of life, evidence of evolution, natural selection and more from expert teachers.
NCERT Solutions For Class 12 Biology Chapter 7 Questions From Textbook Solved. Evolution Chapter Class 12 NCERT Q1. Explain antibiotic, resistance observed in bacteria in light of Darwinian selection theory. Ans: According to Darwin, environment selects organisms with favourable variations and these organisms are allowed to survive.
Learn about the origin of life, theories of evolution, evidence of evolution and origin and evolution of man from this comprehensive notes for class 12 biology students. Find out the definitions, examples, diagrams and facts related to evolution and its concepts.
Download free PDF notes for CBSE Class 12 Biology Chapter 7 on Evolution. Learn about the theories, stages, and evidences of life on Earth with Toppr app.
