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8 08, 2017

Playing an Inuit game with seal bones

By |2018-04-20T22:33:17-07:00August 8th, 2017|Games, Modern Europe|0 Comments

This is a variation on a traditional Inuit game. Print out the outline of the seal flipper bones and cut on the lines to get each bone separate from the others. Make a set of bones for each player. Now mix up all the bones and put them in a bag. Each player draws five [...]

28 05, 2017

Vertebrae – Skeletons, Evolution, and Biology

By |2017-05-28T00:52:16-07:00May 28th, 2017|Biology|0 Comments

Fish vertebrae Fish were the first animals to have vertebrae, about 510 million years ago. Vertebrae are tiny O-shaped bones that go around the fish's spinal cord and protect it so it won't get broken. Because there are lots of tiny vertebrae, the fish can protect its spinal cord and still be able [...]

28 05, 2017

Reptile and Mammal Skeletons – Evolution and Biology

By |2018-04-16T09:09:50-07:00May 28th, 2017|Biology|0 Comments

Evolution of skeletons: Skeleton of a dinosaur Evolution of skeletons From frogs, there evolved reptiles like crocodiles and dinosaurs. Some of these reptiles lived mostly or entirely on land, so they needed stronger bones that could hold them up when they weren't in the water. And most reptiles ate meat, so, like fish, [...]

28 05, 2017

Evolution of bones – Skeletons and Biology

By |2019-09-13T19:11:53-07:00May 28th, 2017|Biology|2 Comments

A fish skeleton Before there were bones One-celled animals don't have any support system that holds them in a certain shape. Plants do have a support system, but it's the cellulose in the cell wall of each cell, rather than bones. What are arthropods? The Proterozoic eon All our biology articles Early multi-celled [...]

28 05, 2017

Why do we have fingers? Skeletons, Evolution, and Biology

By |2017-05-28T00:38:23-07:00May 28th, 2017|Biology|0 Comments

Human hand bones The first fingers and toes evolved from earlier fish fins about 400 million years ago. During the Devonian period, the oceans were very shallow, and some fish evolved to be able to push themselves out of the water to breathe the air. For this, they needed stronger fins that they [...]

28 05, 2017

Vertebrae project – Boiling fish and chicken – Biology

By |2018-04-12T00:14:42-07:00May 28th, 2017|Biology|0 Comments

Vertebrae project: check out fish and chicken vertebrae You can easily see vertebrae for yourself if you buy a whole trout (with the bones in) at the grocery store and cook it. If the grocery store doesn't have any fish with the bones in, ask the fish man and he will probably get [...]

27 05, 2017

Fish bone project – Evolution and Biology

By |2017-05-27T21:18:36-07:00May 27th, 2017|Biology|0 Comments

A fish skeleton To check out fish bones, buy a whole fish from a big grocery store with a fish department. You can get them with the head and tail still on, and all the bones inside (but they will have taken the guts out). Or, go catch your own fish. Trout is [...]