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Diversities of Fish

Tyler Yocca & Brandon Robertson Period 2 Biology. Diversities of Fish. How they are diverse . Chondrichtyes 30,000 to 55,000 species Cartilaginous fishes have a flexible skeleton and are entirely made a cartilage Must constantly be moving to get oxygen to their lungs.

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Diversities of Fish

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  1. Tyler Yocca & Brandon Robertson Period 2 Biology Diversities of Fish

  2. How they are diverse Chondrichtyes 30,000 to 55,000 species Cartilaginous fishes have a flexible skeleton and are entirely made a cartilage Must constantly be moving to get oxygen to their lungs

  3. Characteristics of Fishes Gills that extract oxygen Stiff skeleton Lateral line system Two chambered heart Air sac

  4. Characteristics of Sharks and Rays Must constantly keep moving to keep oxygen in their lungs Skeleton made of cartilage Very flexible Highly developed sense of Touch Hearing Vision Taste

  5. Reproduction • External feretlizati0n • Waterproof eggs • Aquatic environment

  6. Digestion • Complete digestive track • Organs include.. • Mouth • Pharynx • Esophagus • Stomach • Intestines • Liver • Pancreas • Anus

  7. sharks sharks

  8. The End

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