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Phylum Arthropoda

Phylum Arthropoda. ______________________on earth Examples: ____________________________, lobsters, insects ____________________species are unidentified. Characteristics of Arthropods.

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Phylum Arthropoda

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  1. Phylum Arthropoda ______________________on earth Examples: ____________________________, lobsters, insects____________________species are unidentified

  2. Characteristics of Arthropods 1. ______________________________2. Specialized body segments called _________________________3. Specialized respiratory structure4. Advanced sensory system Insect Shedding Exoskeleton 

  3. Exoskeleton • Epidermis secretes ___________________________ • Provides protection • Prevents _____________________________ • 3 Layers to Exoskeleton • Outer _________________ • Middle _______________ • Flexible _________________ Cicada Exoskeleton 

  4. Exoskeleton Terms Molting _____________________during growthMetamorphosis  changing ___________________ developmentComplete: egg larva  pupa  adultIncomplete: egg nymph  adult

  5. Segments of Insect 1. Head 2. Thorax 3. Abdomen

  6. Specialized Appendages Pincers _____________________________Mouthparts ___________________Antennae ______________________________ Scorpion Pincer Pincers of a Fire Ant

  7. Respiratory System Very efficient gas exchangeTrachea _______________to take in OxygenBook Lungs -> ___________for gas exchangeGills  aquatic _______________________

  8. Digestion Feeding _________________________________ Grasshopper Eating a Leaf Praying Mantis Eating a Cricket

  9. Response Brain & Nerve Chords  coordinate movement and sensesCompound Eyes___________________detectors, each with its own lens

  10. Excretion Terrestrial ________________________sacs which remove water waste & add to fecesAquatic  diffusion Malphigian Tubule of a Cockroach

  11. Circulation All have _______________________ Very Few or No Blood Vessels

  12. Reproduction Separate SexesTerrestrial __________FertilizationAquatic ____________Fertilization

  13. Classes of Arthropods Crustacea ________________________________ _____ body segments (thorax & abdomen) _______ pairs of legs

  14. Classes of Arthropods Arachnida _________________________________ ______ body segments (thorax & abdomen) ______pairs of legs ____________________________________

  15. Classes of Arthropods Insecta ______________________________ _____segments (head, thorax, abdomen) _________ pairs of legs social behaviors Dung Beetle Leopard Moth

  16. Classes of Arthropods Chilopoda ___________________ Many body segments 1 pair of legs per segment _______________________ Silverfish- Not a Centipede! I won’t bite you! Centipede I can bite you!

  17. Classes of Arthropods Diplopoda _________________ Many body segments __ pairs of legs per segment _______________________ I’m a Millipede!

  18. Phylum Amphibia -Vertebrates that live on land and in water-_______ million years ago amphibians came out of water-Breathed Oxygen from air when water was stagnant-Includes ______________________________ Red-Backed Salamander I live near you! Golden Bell Frog

  19. Characteristics of Amphibians -_____________________to support weight-Developed respiratory system with __________-Moist skin that absorbs additional oxygen __________________________-Advanced nervous system with ________________ Hello!

  20. Organs of the Frog -Skin- For respiration-Nares- Take in Oxygen-Tongue  Used for catching prey-Liver- Detoxifies Harmful substances-Stomach-Mixes food with gastric juices; sends food to SI-Gall Bladder- Stores Bile-Pancreas-Secretes enzymes and hormones for digestion-Small Intestine – Absorbs nutrients and sends undigested food to LI-Fat Bodies-Fat source for frog during hibernation-Kidney –Produces and excretes Urine-Spleen—Stores and purifies blood-Heart- pumps blood throughout the body-Lungs- Takes in Oxygen and distributes to blood-Testes- Male sex organs-Ovaries- Female sex organs

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