What Am I? #6

I can be green. I can be brown.
I can look colorful or dull.
Not only can I come in different colors, I can also come in different shapes.
In the water or on the land, I can live just about anywhere!
Though no matter where I live, I always have my home on my back,
Allowing me to take life slowly as I please.
What am I?

Highlight or double-click for the answer.
Answer: [ Turtle ]

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