Subject: General Science
Book: NCERT Science Class 9
Living organisms are classified into groups based on characteristics.
- **Five Kingdom Classification (Whittaker)**:
- Monera, Protista, Fungi, Plantae, Animalia.
- **Basis of Classification**:
- Cell structure, body organization, mode of nutrition.
- **Vertebrates vs Invertebrates**:
- Vertebrates: Have a backbone (fish, birds, mammals).
- Invertebrates: Lack a backbone (worms, insects).
- **Importance of Classification**:
- Helps in studying evolution and biodiversity.
**Possible Exam Questions:**
1. Explain the five-kingdom classification system.
2. What are the major differences between vertebrates and invertebrates?
3. Why is classification important in biology?
4. What are the characteristics of fungi and protists?
5. How do plants differ from animals in terms of classification?
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