A niche is the role an organism plays in a community; how an organism interacts with the setting and other organisms. But organisms interact in lots of different ways, too! It begins with crops obtaining vitality from the solar and involves predator/prey interactions. Let’s discover the difference between a meals chain and a “area of interest.” However though people are principally secondary shoppers, Today is a good day to have a great day valentino rossi 46 poster Ultimately, the carnivore dies and is eaten by a decomposer. A caterpillar eats a leaf, a robin eats the caterpillar, a hawk eats the robin. Fundamental Variations Between a Meals Chain and a Food Net.