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Ocean Bugs Christie Mahaffey GK-12 Sensors! Christie Mahaffey GK-12 Sensors!

Published byGyles Carroll Modified over 8 years ago

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Presentation on theme: "Ocean Bugs Christie Mahaffey GK-12 Sensors! Christie Mahaffey GK-12 Sensors!"— Presentation transcript:

1 Ocean Bugs Christie Mahaffey GK-12 Sensors! Christie Mahaffey GK-12 Sensors!

2 How and why classify? Kings Play Chess On Fat Green Stools Kings Play Chess On Fat Green Stools Kingdom Phylum Class Order Family Genus Species Kingdom Phylum Class Order Family Genus Species

3 What is an invertebrate?

4 Echinoderms “Spiny-skinned” 6,000 species (marine) No heart No brain No eyes* “Spiny-skinned” 6,000 species (marine) No heart No brain No eyes*

5 Sea stars and Brittle stars Stomach Microscopic view of brittle star movement Look at tube feet Video from www.RaceRocks.com Stomach Microscopic view of brittle star movement Look at tube feet Video from www.RaceRocks.com

6 So, which senses do they have? Sea stars Touch Respond to light Chemosensors Tube feet Sea stars Touch Respond to light Chemosensors Tube feet From Physics Today online

7 What in the world is a chemosensor? www.Racerocks.com

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