Study Notes | IGCSE Biology 0610 | 19. Organisms and their Environment

This Study Note summarises what you need to know about

19. Organisms and their Environment from the Cambridge IGCSE syllabus of Paper Biology 0610, for exams in 2023,2024 and 2025.

Subtopics include:

• Energy Flow
• Key Definitions
• Types of Consumers 
• Food Chains & Food Webs
• Trophic Levels
• Human Impact on Food Webs
• Pyramids of Numbers
• Pyramids of Biomass
• Pyramids of Energy
• Loss of Energy
  
• The Carbon Cycle
• The Nitrogen Cycle
• Populations
• Population Growth
• Sigmoid Population Growth Curve