Science Chap 2

Diversity In The Living World

Introduction to Biodiversity

• Definition: Biodiversity refers to the variety of living beings and their interactions.
• Importance of Plants and Animals:
• Animals depend on plants for:
  • Oxygen
  • Food
  • Shelter
• Plants depend on animals for:
  • Reproduction
  • Seed dispersal (e.g. through droppings or attaching to fur).

Classification of Living Organisms

• Purpose of Classification:
• Helps understand relationships between organisms.
• Eases the study of plants and animals by identifying similarities and differences.

Plants Around Us

Observation Activity

• Take a walk in a park or school garden.
• Observe variations in plants such as:
• Height: Tall, medium, short
• Presence of Flowers
• Fragrances of Flowers
• Classification based on size and type of stem is discussed.

Categories of Plants (Based on Size)