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J.M. Landin

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Tag: bones

Dolphins, Fins, and Change

May 5, 2020

Our guest blogger and student illustrator this week is L. Howard. Download a pdf of this illustration to color! The arm bones of a dolphin match the arm bones of a human – a case of homology. Dolphin ancestors were once land-dwelling mammals. Even though they look very fish-like today, they still contain remnants of … More Dolphins, Fins, and Change

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How Turtles Move (with shoulders inside their rib cage)

April 7, 2020

Our guest illustrator is P. Martineau, who drew this skeleton of a red-eared slider. Download a page to color and learn how the turtle moves with its hips and shoulders inside its ribs! (Hint: look at those curved arm bones)

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