Class 11 Biology — Chapter 4: ANIMAL KINGDOM

What you'll learn

• ▸Basis of Classification: Levels of Organisation
• ▸Body Symmetry
• ▸Embryonic Germ Layers: Diploblastic vs. Triploblastic
• ▸Coelom (Body Cavity)
• ▸Segmentation and Notochord
• ▸Phylum Porifera (Sponges)
• ▸Phylum Coelenterata (Cnidaria)

Chapter Summary

--- PAGE 1 --- ANIMAL KINGDOM 37 11080CH04 CHAPTER 4 ANIMAL KINGDOM 4.1 Basis of When you look around, you will observe different animals with different Classification structures and forms. As over a million species of animals have been described till now, the need for classification becomes all the more 4.2 Classification of important. The classification also helps in assigning a systematic position Animals to newly described species. 4.1 BASIS OF CLASSIFICATION Insite of differences in structure and form of different animals, there are fundamental features common to various individuals in relation to the arran…

Practice Questions from this Chapter

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1. Compare animal symmetry types. Get Solution →
2. Explain basic animal classification. Get Solution →
3. Give examples of pseudocoelomates. Get Solution →
4. What are members of the phylum Porifera commonly known as? Get Solution →
5. Which level of organisation is exhibited by sponges? Get Solution →
6. What type of symmetry is most common in sponges? Get Solution →
7. Which of the following are the two basic body forms found in Cnidarians? Get Solution →
8. What are the specialized cells in Platyhelminthes that help in osmoregulation and excretion called? Get Solution →

Did you know?

• 💡 A blue whale's tongue alone can weigh as much as an elephant.
• 💡 Jellyfish do not have a brain, heart, bones, or even eyes.
• 💡 Tardigrades, or water bears, can survive in the vacuum of space.
• 💡 The chameleon's tongue is twice as long as its entire body.
• 💡 Starfish can regrow an entire lost arm, and sometimes a whole new body.

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