The world around us contains an enormous variety of living organisms, including plants, animals, fungi, and microorganisms. They differ in size, shape, habitat, structure, and mode of life.

Biology is the scientific study of living organisms and their interactions with the environment. Understanding the living world helps us explore the diversity of life and the characteristics that distinguish living organisms from non-living things.

Learning Objectives

By the end of this section, students should be able to:

• Understand the meaning and scope of biology.
• Recognise the diversity of living organisms.
• Explain why studying living organisms is important.
• Understand the need to classify and identify organisms.