sentences: a producer is a kind of organism & a producer produces its own food ->  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 ->  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 ->  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 ->  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 ->  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 -> producers and consumers are organisms that can be classified by how they obtain food