Answer :
the ecosystem is a systematic arragment of organisms who eat and eaten.
the organisms are prducers------>primary consumer-------->secondary consumer--------->teritory consumer.
example:
bacteria[teritory consumer]
|
man[teritory consumer]
|
hen[primary consumer]
|
grain[producer].
the organisms are prducers------>primary consumer-------->secondary consumer--------->teritory consumer.
example:
bacteria[teritory consumer]
|
man[teritory consumer]
|
hen[primary consumer]
|
grain[producer].