Food Chain

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All living things depend on each other to live. The food chain shows how some animals eat other animals to survive. While being food for animals higher in the food chain, these animals may eat other animals or plants to survive. The food chain is a complex balance of life. If one animals source of food disappears, such as from over fishing or hunting, many other animals in the food chain are impacted and may die. Let's look at two examples of food chains, one in the water and the other on land.

In the Sea

All sea creatures rely on other sea creatures for food to survive. At the bottom of the food chain are the sea plants and plankton. Many types of fish and animals such as the snail, shrimp, jellyfish, and sea star eat the plankton.

Sea Plants
Sea Snail
Little Fish

The small animals and fish who eat plankton then become food for larger fish, such as the tuna and mackeral.

These fish are then eaten by larger fish and animals, such as the shark and dolphin.

And who eats the shark? Check out the menu at a seafood restaurant next time you are eating there. Don't be surprised if you find shark on the menu.


Fish Mouth

Middle Fish

On Land

The food chain on land is just as complex as in the sea. Small animals eat plants or bugs. Larger animals then eat them, with even larger animals eating them. Who is at the top of the food chain? That's us! We humans eat many of the plants and animals on earth. That's why we rely so heavily on all plants and animals for our existence. A break in the food chain can impact everyone.

Here is a simple example of a food chain in the wild.

Zebra The zebra eats grass for its food. And who eats the zebra? Larger predators like the lion eat the zebra. Lion and Zebra
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