4.6- Energy and substances in food chains

1. Producer converts light energy into chemical energy
2. This chemical energy takes the form of:
• Organic molecules
• Carbohydrates 
• Proteins 
• Lipids
3. These molecules are all food to consumers in the food chain and contain bonds such as:
• C-H
• C-O
• C-C
• O-H
• C-N
• These bonds all represent energy
• CHON (substances/matter) contain energy

• The impala consumes substances for:
• Respiration, growth and life processes 
• When the leopard eats the Impala, these molecules are re-organised into leopard form