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Arthropods – Joint legged animals

SBI 3U. Arthropods – Joint legged animals. Diverse Largest phylum in the Animal Kingdom Diverse habitats. arthropods. Segmented ancestor Most have lost their segments or. Evolution of arthropods. Strong external skeleton  Exoskeleton made of chitin  Function of exoskeleton.

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Arthropods – Joint legged animals

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  1. SBI 3U Arthropods – Joint legged animals

  2. Diverse Largest phylum in the Animal Kingdom Diverse habitats arthropods

  3. Segmented ancestor Most have lost their segments or Evolution of arthropods

  4. Strong external skeleton  Exoskeleton made of chitin  Function of exoskeleton Distinguishing characteristic of arthropods

  5. Exoskeleton does not Arthropod grows new exoskeleton by Exoskeleton, continued …

  6. Nervous system  A more advanced nervous system allows for an increased ability to sense and respond to changes in their environment  Nervous system

  7. “Open” circulatory system  Hemocoel  Circulatory system

  8. All arthropods have a digestive system 3 basic parts: foregut: Midgut: Hindgut: Digestive system

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