A foodchain shows the feeding relationships of organisms from successive trophic levels.
If by "ecosystem" you mean foodchain, then yes. Berries could start a foodchain, therefore are producers.
your moma
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THE TOP B#$# ahhahah
That thing eats Humans.
A foodchain.
The bottom of the chain
The bottom, since they are herbivores.
Catherine Chalmers has written: 'American cockroach' -- subject(s): Artistic Photography, Cockroaches, Pictorial works 'Foodchain' -- subject(s): Animal behavior, Food chains (Ecology), Pictorial works, Predatory animals, Sexual behavior in animals
A bear but it rarely happens. It is at the top a the foodchain.
food chain