Key Concepts: Introduction to Biology

What is Biology?

Biology is the scientific study of life and living organisms. The word comes from Greek: bios (life) + logos (study).

• Living things share common characteristics that distinguish them from non-living matter.
• Biology encompasses everything from microscopic bacteria to massive ecosystems.
• Modern biology integrates chemistry, physics, and mathematics to understand life processes.

Why Study Biology?

• Understanding health and disease
• Developing new medicines and treatments
• Addressing environmental challenges
• Improving agriculture and food production