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The Evolutionary Journey of Crayfish and Cockroach

The Evolutionary Journey of Crayfish and Cockroach. By Michael Smith and Fawn O’Brien. Interesting Crayfish Characteristics. Chelipeds – big pinchers for defense Maxillipeds – 3 sets of feeding claws Swimmerets – assist in swimming and females use them to carry eggs under their body.

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The Evolutionary Journey of Crayfish and Cockroach

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  1. The Evolutionary Journey of Crayfish and Cockroach By Michael Smith and Fawn O’Brien

  2. Interesting Crayfish Characteristics • Chelipeds – big pinchers for defense • Maxillipeds – 3 sets of feeding claws • Swimmerets – assist in swimming and females use them to carry eggs under their body

  3. Interesting Crayfish Characteristics • Ability to molt • Ability to regenerate – regrow limbs • Eye stalks – eyes can swivel on stalks

  4. How Water Flea Crayfish Cockroach Brine Shrimp Shrimp Grasshopper Butterfly Fly Makes larvae Decapods--10 walking legs Silverfish Crustacea-crusty shell maxilipeds, Chilipeds, swimmerets Cockroach & Crayfish Family Tree Centipedes Hexapoda--6 legs compound eyes Spiders Land Arthropods-jointed legs Aquatic

  5. Where do we fit? Crayfish Cockroach Human Paramecium Bean

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