its niche
Chickens belong in the terrestrial ecosystem. This is the same ecosystem in which humans and other such animals belong. The other type of ecosystem is the aquatic ecosystem. From here you will find other sub categories of ecosystems that are used by scientists to classify animals, plants, and other living organisms.
niche
ecosystem
Neither - they are a natural part of the ecosystem of the planet and have a role to play in that ecosystem. Good and Bad are human concepts.
An organism's particular role in an ecosystem is known as its ecological niche. This niche includes its interactions with other organisms and its unique way of obtaining resources and contributing to ecosystem function. Each organism plays a specific role in maintaining the balance and health of the ecosystem.
the pond ecosystem
the role of a decomposer in an ecosystem is to use waste materials and dead organisms for food.
A wallaby's role in our ecosystem is to eat plants and give meat to the animals that eat it.
a bad role
Decomposer.
mom
mom
its niche
producer
It keeps the ecosystem from flying off the face of the planet
Yes, it can if the right set of events would come together. Just as we are the apex of our ecosystem, we can be killed and eaten by bears, lions, sharks and even swallowed by very large anacondas.