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Dogfish Shark aka Bruce

Dogfish Shark aka Bruce. By: Alex and Brooke. Kingdom: Animalia Phylum: Chordata Class: Phondrichthyes Order: ________________ Family: Squalidae Genus: Squalus Species: _______________. Classification. Gray in color Made up of dermal ____________ Shaped like curved, grooved teeth

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Dogfish Shark aka Bruce

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  1. Dogfish Shark aka Bruce By: Alex and Brooke

  2. Kingdom: Animalia • Phylum: Chordata • Class: Phondrichthyes • Order: ________________ • Family: Squalidae • Genus: Squalus • Species: _______________ Classification

  3. Gray in color • Made up of dermal ____________ • Shaped like curved, grooved teeth • ______________ texture • Dorsal side is darker • Very thick skin Integumentary System

  4. Skeletal System • Made up of ____________ • Light weight and flexible • Muscular System • Red muscle • ____________ • Function for cruising • White muscle • Anaerobic • Used for sudden burst in ___________ Skeletal/Muscular System

  5. Brain is the center • Forebrain • ____________ • Hindbrain • Sense of smell very good • Well developed eyes • ________line system for sense of touch • Sense of smell not highly adapted • Play no role in locating __________ Nervous System

  6. Mouth  ________________ gill slits • Blood in gill filaments absorbed oxygen from incoming water • Rely on _________ Respiratory System

  7. _______chambered heart • Heart  gills  body tissues • Low blood pressure • Muscular contractions needed to ____________blood Circulatory System

  8. Short and wide __________ • Lower portion of digestive tract is the spiral valve • Increases ___________absorbed • Digestive tract leads to rectum Digestive System

  9. Aplacental Viviparity- live young • Part of the _____that take care of offspring inside mother’s body • Protected by mother’s body before birth • Gestation period is _____ months • Born in ________months • Most litters between 12-16 • Sexually mature at 11 years Reproductive System

  10. Average length is 2.5-3 feet • Distinguished by rows of small _____________ along sides • Live to be 25-30 years old • Delicacy in __________ • Opportunistic feeder • Live in bathes and inshore waters Interesting Facts

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