Class 11 · The Living World

Biodiversity and Species Concept — NEET Biology

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If you look around you will see a large variety of living organisms, be it potted plants, insects, birds, your pets or other animals and plants. There are also several organisms that you cannot see with your naked eye but they are all around you. If you were to increase the area that you make observations in, the range and variety of organisms that you see would increase. Obviously, if you were to visit a dense forest, you would probably see a much greater number and kinds of living organisms in it. Each different kind of plant, animal or organism that you see, represents a species. The number of species that are known and described range between 1.7-1.8 million. This refers to biodiversity or the number and

NCERT Biology · Class 11 · Chapter 1 · Paragraph 6
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Match the terms in Column I with their correct descriptions in Column II. Column I A. Species B. Biodiversity C. Nomenclature D. Identification Column II 1. Process of standardising names of living organisms such that they are known universally by the same name 2. Each different kind of plant, animal, or organism 3. The number and variety of species on Earth (1.7–1.8 million described so far) 4. Correctly describing an organism and knowing to what organism a name is attached

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