- A leaf is a part of a green plant
- A plant is a kind of organism
- Hence, a leaf is a kind of organism

- A leaf is a kind of organism
- If a leaf falls off of a tree then that leaf is dead
- So, a fallen leaf is a kind of dead organism

- A fallen leaf is a kind of dead organism
- Fungi break down fallen leaves into nutrients that enter the soil
- Therefore, fungi break down dead organisms into nutrients that enter the soil

- Decomposition is when a decomposer breaks down dead organisms
- Decomposition is when a decomposer recycles / returns nutrients / nitrogen from dead organisms to the soil by eating those dead organisms
- Therefore, decomposition is when a decomposer breaks down dead organisms into nutrients and returns them to the soil

- Decomposition is when a decomposer breaks down dead organisms into nutrients and returns them to the soil
- Decomposer is a kind of role in the food chain process / in an ecosystem
- So, decomposer is a kind of role in the food chain process in which an organism breaks down dead organisms into nutrients and returns them to the soil

- Fungi break down dead organisms into nutrients that enter the soil
- Decomposer is a kind of role in the food chain process in which an organism breaks down dead organisms into nutrients and returns them to the soil
- Therefore, in the food chain process fungi have the role of decomposer

Therefore, in the food chain process fungi have the role of decomposer
Question: In a forest community, trees produce leaves that can be eaten by deer. The leaves also fall to the forest floor during autumn. Fungi break the leaves down into nutrients that enter the soil. What is the decomposer in this forest community?
Context: - Fungi break down fallen leaves into nutrients that enter the soil 
- A leaf is a part of a green plant 
- If a leaf falls off of a tree then that leaf is dead 
- Decomposition is when a decomposer breaks down dead organisms 
- Decomposer is a kind of role in the food chain process / in an ecosystem 
- Decomposition is when a decomposer recycles / returns nutrients / nitrogen from dead organisms to the soil by eating those dead organisms 
- A plant is a kind of organism