The bottom of the food chain is always an Autotroph or an organism that can make its own food, either through photosynthesis or chemosynthesis.
This includes plants algae which are then eaten by the animals that are the next step up in the food chain.
Plants are at the bottom of the food chain.
The producer which include grass, plants and vegatables.
Grass
plants
The bottom, since they are herbivores.
The bottom of the chain
they are important because they are the bottom of the foodchain. things eat them, and other things eat those things, and so on. so, they feed everything in the ocean!
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.
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Scottish wildcats are carnivores and sit at the top of the food chain in their habitat. They primarily feed on small mammals like rabbits, rodents, and birds, which makes them apex predators in their ecosystems.
THE TOP B#$# ahhahah
That thing eats Humans.
A foodchain.