Science teacher
Breaking out of the classroom into the world....
Showing posts with label
sea urchins
.
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Showing posts with label
sea urchins
.
Show all posts
Sunday, September 21, 2014
On teaching biology: sea urchins
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I stumbled upon a couple dozen of these guys this afternoon--I'd seen them before, a few years ago, and (mostly) forgot about them, b...
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