Class 11 Biology — Chapter 1: The Living World

What you'll learn

• ▸Diversity in the Living World (Biodiversity)
• ▸Nomenclature and Identification
• ▸Binomial Nomenclature
• ▸Universal Rules of Nomenclature
• ▸Classification and Taxa
• ▸Taxonomy
• ▸Systematics

Chapter Summary

--- PAGE 1 --- UNIT 1 DIVERSITY IN THE LIVING WORLD Chapter 1 The Living World Chapter 2 Biological Classification Chapter 3 Plant Kingdom Chapter 4 Animal Kingdom Biology is the science of life forms and living processes. The living world comprises an amazing diversity of living organisms. Early man could easily perceive the difference between inanimate matter and living organisms. Early man deified some of the inanimate matter (wind, sea, fire etc.) and some among the animals and plants. A common feature of all such forms of inanimate and animate objects was the sense of awe or fear that they evoked. The description of living organisms including human beings began much later in human history. Societies which indulged in anthropocentric view of biology could register limited progress in biological knowledge. Systematic and monumental description of life forms brought in, out of necessity, detailed systems of identification, nomenclature and classification. The biggest spin off o…

Practice Questions from this Chapter

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1. Explore how many different life forms exist. Get Solution →
2. Explain why we classify living things. Get Solution →
3. Define what makes something alive. Get Solution →
4. What is the primary definition of biology provided in the text? Get Solution →
5. What is the estimated number of species known and described, according to the chapter? Get Solution →
6. The system of providing a name with two components is called: Get Solution →
7. Who is credited with developing the binomial nomenclature system? Get Solution →
8. What does ICBN stand for? Get Solution →

Did you know?

• 💡 Over 99% of all species that ever lived on Earth are now extinct.
• 💡 A single teaspoon of healthy soil can contain billions of microorganisms.
• 💡 Carolus Linnaeus, who named species, also believed humans once had tails.
• 💡 Tardigrades, or water bears, can survive temperatures from -272°C to 150°C.
• 💡 Scientists estimate Earth holds 8.7 million species, with most still undiscovered.

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