1. Diversity of Living Organisms
The chapter introduces the immense diversity of living organisms on Earth and emphasizes the significance of classification in understanding this diversity. It outlines the basis for classification and describes the five kingdoms of living organisms, detailing their characteristics and the importance of their classification for systematic studies and evolutionary relationships.
Enroll to start learning
You've not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Sections
Navigate through the learning materials and practice exercises.
What we have learnt
- Life on Earth exhibits a vast diversity, necessitating the classification of organisms based on their similarities and differences.
- The five-kingdom classification system includes Monera, Protista, Fungi, Plantae, and Animalia, each with distinct characteristics.
- Classification aids in the systematic study of organisms and enhances the understanding of their evolutionary relationships.
Key Concepts
- -- Classification
- The process of grouping organisms into categories based on shared features to facilitate study and understanding.
- -- Five Kingdoms
- A system that divides all living organisms into five groups: Monera, Protista, Fungi, Plantae, and Animalia, based on fundamental characteristics.
- -- Monera
- A kingdom comprising prokaryotic unicellular organisms, primarily bacteria.
- -- Protista
- A kingdom that includes mostly unicellular eukaryotic organisms such as protozoa and algae.
- -- Fungi
- Eukaryotic organisms known for having cell walls made of chitin and obtaining nutrients through absorption.
- -- Plantae
- Multicellular autotrophic organisms that have the ability to perform photosynthesis.
- -- Animalia
- Multicellular heterotrophic organisms characterized by the absence of cell walls and the presence of complex organ systems.
Additional Learning Materials
Supplementary resources to enhance your learning experience.