'Lobe fins' diaporamas de présentation

Chapter 34

Chapter 34. Vertebrates. Vertebrates. Get their name from vertebrae, the series of bones that make up the backbone. Vertebrates. There are approximately 52,000 species of vertebrates

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Chapter 34

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Chapter 34

Chapter 34. Vertebrates. Figure 34.1. Overview:. The animals called vertebrates Get their name from vertebrae, the series of bones that make up the backbone. Dorsal, hollow nerve cord. Brain. Notochord. Muscle segments. Mouth. Anus. Pharyngeal slits or clefts. Muscular, post-anal tail.

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Tetrapods

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KEY CONCEPT Bony fish include ray-finned and lobe-finned fish.

KEY CONCEPT Bony fish include ray-finned and lobe-finned fish. Ray-finned fish have a fan of bones in their fins. Ray-finned fish have fins supported by a fan-shaped array of bones. embedded in a thin layer of skin and connective tissue light, collapsible, and easy to move.

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