Arthropods 101

Jose Sosa- Mitcham- Period 6


An arthropod is an invertebrate consisting of an exoskeleton, a segmented body, and jointed appendiges. Arthropods are located in the phylum Anthropoda. Arthropod have exoskeletons made of cuticle. The evolutionary ancestry of arthropods dates back to the Cambrian period. Arthropods contribute to the human food supply both directly as food, and more importantly as pollinators of crops.

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Analyse and view the external apperances of different anthropods. Be able to recognize simmilare characteristics between these two species. View external systems.
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Respiatory System

Crayfish breath through there armpits. They have gill-like structures in there armpits that filltures water as they walk and the water is pushed through this area. The Oxegyn if filtired from the new water and it is then deposited.

Fun Fact

Crayfish swim backwards but walks forward.