Biological Classification
Madhya Pradesh Board · Class 11 · Biology
Summary of Biological Classification for Madhya Pradesh Board Class 11 Biology. Key concepts, important points, and chapter overview.
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Overview
Biological classification organizes living organisms into groups based on shared characteristics such as cell structure, body organisation, mode of nutrition, reproduction and evolutionary relationships. Early systems used simple visible features, but later systems became more scientific and include
Key Concepts
Aristotle was the earliest scientist
Aristotle was the earliest scientist to attempt scientific classification. He classified plants into trees, shrubs and herbs, and animals into red-blo
The two
The two-kingdom system grouped all organisms into Plantae and Animalia, but it did not distinguish between prokaryotes and eukaryotes, unicellular and
R
R.H. Whittaker proposed the five-kingdom classification in 1969. The kingdoms are Monera, Protista, Fungi, Plantae and Animalia. The system is based o
Monera includes all bacteria
Monera includes all bacteria. These are prokaryotic, unicellular organisms with a non-cellulosic cell wall and no nuclear membrane. Bacteria show the
Bacteria are classified by shape into
Bacteria are classified by shape into coccus, bacillus, vibrium and spirillum. They may be photosynthetic autotrophs, chemosynthetic autotrophs, or he
Learning Objectives
- Understand the need for biological classification and its historical development
- Compare the two-kingdom system with Whittaker's five-kingdom classification
- Describe the main features of Kingdom Monera, Protista, Fungi, Plantae and Animalia
- Identify important examples from each kingdom and their characteristics
- Explain the structure, reproduction and significance of bacteria, fungi, protists and viruses
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