"An ecosystem can contain multiple food chains, which combined create a food web."
Because they use the word 'chain' as a type of metaphor. They use chain as a metaphor because the food keeps on going on and on, as does a chain.
Food web is a chain of all the living organisms in a web. It represents the food chain of living things.
The Hawaiian Island chain is an archipelago.
The hunters hunted for food.
we differ when it comes to food.
My favorite food is a berry.
The food was cooked beautifully in the restaurant. This is the sentence using the word cooked.
Grocery stores are full of food. The food looked very appetizing.
Whales use their baleen to filter food out of the water.
I love eating travois food!!!
That is some spectacluar food!
you say I was gathering some food!