Energy and substances in food chains

Bush grass is eaten by impala. 

Bush grass is the producer Impala is the primary consumer leopard is the secondary

consumer.

Producer turns light energy into chemical energy - takes the form of organic molecules including carbohydrates, proteins and lipids --> what we call food.

These molecules are composed of C-H bonds, C-O bonds, C-C bonds, O-H bonds and C-N bonds - ALL represent energy.