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Arthropods

Arthropods. Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects. http://www.youtube.com/watch?v=go4MqVq9HVM. Arthropods.

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Arthropods

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  1. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects http://www.youtube.com/watch?v=go4MqVq9HVM

  2. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects • Invertebrates • Bilateral Symmetry • Open Circulatory System • 2 Opening Digestive System • Sexual Reproduction

  3. Arthropods • Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects

  4. Arthropods • Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects • Hard, waxy outer covering • Made of protein and Chitin • Protects body • Gives support • Prevents evaporation

  5. Arthropods • Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects • Molting – Process of shedding exoskeleton when it is out grown.

  6. Arthropods • Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects • Body divided into sections that move independently and serve different functions • Allows for efficient movement

  7. Arthropods • Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects • Part of anatomy that projects from the body ex. Legs, antenna… • Allows for greater flexibility • Specialized for specific functions ex. Movement, sense

  8. Arthropods • Arthropod Characteristics B. Crustaceans 1. Physical Characteristics 2. Obtain Food/Oxygen C. Arachnids D. Centipedes/Millipedes E. Insects • 2-3 Body sections • 5 or more pairs of appendages • At least 1 pair of appendages per segment

  9. Arthropods • Arthropod Characteristics B. Crustaceans 1. Physical Characteristics 2. Obtain Food/Oxygen C. Arachnids D. Centipedes/Millipedes E. Insects Front appendages called chelipeds grab food Scavangers Herbivores Carnivores

  10. Arthropods • Arthropod Characteristics B. Crustaceans • Arachnids 1. Physical Characteristics 2. Obtain Food/Oxygen D. Centipedes/Millipedes E. Insects 22 Body Sections 4 pairs of legs No antenna

  11. Arthropods • Arthropod Characteristics B. Crustaceans • Arachnids 1. Physical Characteristics 2. Obtain Food/Oxygen D. Centipedes/Millipedes E. Insects SpSpiders – Fangs to inject venom and suck in dissolving tissue Scorpians – stinger to inject venom Ticks - parasites

  12. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids • Centipedes/Millipedes 1. Physical Characteristics 2. Obtain Food/Oxygen E. Insects • 2 Body Sections • 2 or 4 legs per segment • 1 pair of antenna

  13. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids • Centipedes/Millipedes 1. Physical Characteristics 2. Obtain Food/Oxygen E. Insects • Centipedes – carnivores that inject venom into prey • Millipedes - scavangers that mostly eat decaying leaves

  14. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes • Insects 1. Physical Characteristics 2. Obtain Food/Oxygen • 3 Body sections • 6 Legs • 1 Pair of antenna

  15. Arthropods • Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes • Insects 1. Physical Characteristics 2. Obtain Food/Oxygen • Specially adapted mouth parts • Carnivores • Herbivores • Scavangers

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