Crash Course: Food Chains

Why do all animals need to eat?

• because food tastes good

• to satisfy cravings

• to get the energy needed to survive

• amino acids are the building blocks of proteins

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The power needed to do WORK such as staying alive (growing, moving, and staying warm), is _____.

• energy

• food

• protein

• electricity

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Rocks don't need to eat because

• they are solid

• they produce their own food

• they are nonliving things

• they are ecosystems

Click all the things that would be considered a MODEL.

• a globe

• a food chain

• a classroom

• a television

• Mrs. Pierce

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True or False: Plants get most of their food from the sun, water, and carbon dioxide in the air.

• True

• False

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Which animal below is on the top of the food chain?

• fish

• elephants

• insects

• humans

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A system of living things and their environment is called a(n) ____.

• ecosystem

• laundromat

• grocery store

• neighborhood

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All of the energy in a food chain starts with

• plants

• cells

• the sun

• Chik Fil A

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Why would a polar bear not survive in a hot desert like Arizona?

• His fur is white.

• He forgot his sunglasses and swim trunks.

• He needs a larger environment.

• It's not the habitat where he belongs.

A(n) _______ is a big tangled system that includes every plant and animal in a habitat.

• forest

• food web

• restaurant

• solar system

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