Junk food is things that have sugar or caffeine in it. Ex. candy is a bad habit of children. Children these days are overweight. One child is over 400 lbs. That's are not good. !!! how bad are they...
A food chain is different from a food web, but a food chain always starts with a producer (plant) and it ends with a decomposer. I don't think a food web has a beginning or end.
Food Chain: Natural chain of consumption in nature. Example: Plankton, Small Fish, Big fish, Whale, Eskimo with harpoon. Food Pyramid: Man-Made (FDA/Department of Agriculture). This is an index of...
They show mainly the same info: how energy flows through predation. Food chains show a specific path in which energy flows, food webs show many different variations of paths, with many different...