9.0

Why Do I Look Like I Do?

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The CK-12 Editorial Team
Last Modified: Apr 02, 2026

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All organisms have external parts. Different animals use their body parts in different ways to see, hear, grasp objects, protect themselves, move from place to place, seek, find, and take in food, water and air. Plants also have different parts (roots, stems, leaves, flowers, fruits) that help them survive and grow.

Look in the mirror.

What do you see?

You have two arms.

You have two hands.

Each hand has five fingers.

What do you do with your hands?

You also have two long legs and two feet.

How do you move your legs and feet?

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Dogs have four legs.

They are covered in fur.

They don’t have any hands.

Can you name some other differences?

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Animals are not all alike.

They do not look like us.

Do you see the animals below?

How do they differ from us?

How are they the same?

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An animal's feature help them.

Some animals have sharp claws.

The claws are good for climbing trees.

Other features help them to get food.

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Animals have all kinds of features that help them do things.

What features help them stay safe?

What features help them build shelters?

What features help them find food?

What features help them stay warm?

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An animal's features help them survive.

Can you name some animals?

What are their features?

How can they help them survive?

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    Image Reference Attributions
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/ncnATq;http://www.flickr.com/photos/jamiedfw/2417094659/;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/qfSaZN;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/qfSaZN;http://www.flickr.com/photos/usfwshq/6952270773/
    Source: https://flic.kr/p/4hPXou
    Source: https://flic.kr/p/6X35Vw;https://flic.kr/p/4hPXou
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/7zUoih;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/7zUoih;http://www.flickr.com/photos/usfwshq/6952270773/
    Source: https://flic.kr/p/7zUoih
    Source: https://flic.kr/p/pWDzab
    Credit: Tom Koerner/USFWS;US Fish and Wildlife Service
    Source: https://flic.kr/p/mD1A4J;https://flic.kr/p/mJSB5T;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: Tom Koerner/USFWS;US Fish and Wildlife Service
    Source: https://flic.kr/p/mJSB5T;https://flic.kr/p/mD1A4J;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/ncnATq;http://www.flickr.com/photos/usfwshq/6952270773/
    Credit: US Fish and Wildlife Service
    Source: https://flic.kr/p/ncnATq;http://www.flickr.com/photos/usfwshq/6952270773/