- A producer is a kind of organism
- A producer produces its own food
- Hence, a producer is a kind of organism that produces its own food

- A producer is a kind of organism that produces its own food
- Producing food is a kind of method for obtaining food
- Therefore, a producer is a kind of organism that obtains food by producing its own food

- A consumer is a kind of organism
- Consumers eat other organisms
- Therefore, a consumer is a kind of organisms that eats other organisms

- A consumer is a kind of organisms that eats other organisms
- Eating other organisms is a kind of method for obtaining food
- Therefore, a consumer is a kind of organism that obtains food by eating other organisms

- A producer is a kind of organism that obtains food by producing its own food
- A consumer is a kind of organism that obtains food by eating other organisms
- Hence, a producer is a kind of organism that obtains food by producing its own food and a consumer is kind of organism that obtains food by eating other organisms

- A producer is a kind of organism that obtains food by producing its own food and a consumer is kind of organism that obtains food by eating other organisms
- Classifying is when one sorts something by kind / type
- Therefore, producers and consumers are organisms that can be classified by how they obtain food

Hence, producers and consumers are organisms that can be classified by how they obtain food
Question: Living things are classified as producers or consumers according to
Context: - A consumer is a kind of organism 
- Producing food is a kind of method for obtaining food 
- Eating other organisms is a kind of method for obtaining food 
- A producer is a kind of organism 
- Classifying is when one sorts something by kind / type 
- Consumers eat other organisms 
- A producer produces its own food