Question

what is ecosystem? what is it's work?

Answer 1

ecosystem is neccessary for all living things.

without eco balance we cannot live in thisplanet.

this is work as we breathe oxygen and throw co2. but plants breathe CO2 and thow oxygen. so. without this we cannot live.

Answer 2

A predator is an animal that kills and eats another animal,known as it's prey.scavengers are animals,such as vultures and hyenas,that eat organisms that are already dead.decomposers break apart dead organisms or the waste material of living organisms returning the nutrients to the ecosystem