This is the food chain we found in our school. It start with a producer. Producer is always start of food chain because it transfer light energy from the Sun to chemical energy which is sugar or also known as glucose and it will be change to carbohydrate by photosynthesis. In this food chain, producer is the grass. When the chemical energy in carbohydrate form is eat by a consumer. Consumer is the organism that eat other organism. Consumer have different level such as the 1st consumer called primary consumer and the 2nd is called secondary consumer. In this food chain the primary consumer is bird and the secondary consumer is human.