In the ecosystem, the roles of each organism are as follows:
- Producer: Grass (produces energy through photosynthesis)
- Consumer: Rabbit (herbivore that consumes grass)
- Consumer: Bear (carnivore that can eat rabbits and other organisms)
- Decomposer: Worm (breaks down dead organic material and recycles nutrients back into the soil)
So the classification is:
- Producer: Grass
- Consumer: Rabbit, Bear
- Decomposer: Worm