Ecosystem

1. Abiotic components

1.1. Physical factor

1.1.1. Air,water,vapour,minerals,soil,sunlight.

1.2. Chemical factor

1.2.1. Inorganic substances

1.2.1.1. Proteins,Carbohydrates,Fats

1.2.2. Organic substances

1.2.2.1. Hydrogen,Oxygen,Nitrogen,Calcium,Iron,Sodium,Potassium

2. Biotic components

2.1. Autotropic

2.1.1. Producer

2.1.1.1. Plants

2.2. Heterotrophic

2.2.1. Animals

2.2.1.1. Consumers

2.2.1.1.1. Primary consumer

2.2.1.1.2. secondary consumer

2.2.1.1.3. Tertiary consumer

2.2.2. Decomposers

2.2.2.1. Bacteria