Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects HVM
Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects Invertebrates Bilateral Symmetry Open Circulatory System 2 Opening Digestive System Sexual Reproduction
Arthropods A.Arthropod Characteristics 1. External Skeleton 2. Segmented Body 3. Jointed Appendages B. Crustaceans C. Arachnids D. Centipedes/Millipedes E. Insects
Arthropods A.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
Arthropods A.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.
Arthropods A.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
Arthropods A.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
Arthropods A.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
Arthropods A.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
Arthropods A.Arthropod Characteristics B. Crustaceans C.Arachnids 1. Physical Characteristics 2. Obtain Food/Oxygen D. Centipedes/Millipedes E. Insects 22 Body Sections 4 pairs of legs No antenna
Arthropods A.Arthropod Characteristics B. Crustaceans C.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
Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D.Centipedes/Millipedes 1. Physical Characteristics 2. Obtain Food/Oxygen E. Insects 2 Body Sections 2 or 4 legs per segment 1 pair of antenna
Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D.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
Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E.Insects 1. Physical Characteristics 2. Obtain Food/Oxygen 3 Body sections 6 Legs 1 Pair of antenna
Arthropods A.Arthropod Characteristics B. Crustaceans C. Arachnids D. Centipedes/Millipedes E.Insects 1. Physical Characteristics 2. Obtain Food/Oxygen Specially adapted mouth parts Carnivores Herbivores Scavangers