Connect the Dots: Kangaroo Rat
In this connect the dots worksheet, students connect the dots to reveal a mammal that uses its powerful hind legs to cover the ground.
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Sonic the Hedgehog Is Why You Have Thumbs!
Do you know what Sonic hedgehog is? Yes, it is a video game character, but it is also a protein that controls how your fingers develop. A paleontologist discusses the development of the arm and hand, beginning with fish and ending with...
7 mins 6th - 12th Science