Food chains highlights different organisms in an ecosystem.
It shows how different organisms feed and which organisms compete for
survival. A food chain always starts with a producer, this will be plant, as it
can make its own food through photosynthesis by absorbing sunlight. The
next step on the food chain comes the consumer. The consumer is the one
that eats the plant or the animal.
A simple food chain is In food chains the first consumer iscalled the primary
consumer and the second one secondary consumer. If you have a third one
it is called tertiary consumer.