Uploaded April 2016 | Updated September 2026, 2 weeks ago

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We all know that some things are alive, and some things are NOT alive, but have you ever thought about what makes something alive or not alive? Living things are called organisms, and anything from a blue whale to a spot of mold can be a living organism! Believe it or not, there is some scientific disagreement about what exact characteristics make something living or nonliving, but the four criteria in this video will help you make the right call the majority of the time.

Like this video if you want to see more videos about LIFE and LIVING THINGS!

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Music: Jaunty Gumption, Call to Adventure - Kevin MacLeod (incompetech.com)