A food chain shows the feeding relationship between organisms. They always start with an organism that makes food. The producer. In this example, it's grass. The first consumer in the chain ...

When you go to a fast food burger chain, you're probably not expecting amazing quality. But some burger chains have set the bar for their beef a little higher.

The grass is the producer Rabbits ... These substances accumulate in the food chain and damage the organisms in it, particularly in the predators at the end of the chain. This is because the ...