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Vertebrates
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Vertebrates
Animals with backbones
Vertebrates
vs.
Invertebrates
Vertebrates vs. Invertebraetes
Vertebrates
Vertebrates
Vertebrates are chordates that have a backbone
The bones that make a spine are called vertebrae
Invertebrates
Invertebrates
Invertebrates are animals that do not have a backbone
95% of all animals are invertebrates
Types of Vertebrates
There are 7 groups, called classes, of vertebrates
Jawless
Fish
Jawless Fish- Agntha
• Jawless
• Sucker-shaped mouths
• Cartilage skeleton
• Cold-blooded
• Scales
• Hatched from eggs
• Have gills
• 2 Chambers in the heart
• Live in water habitats
Cartilage
Fish
Cartilage Fish- Gnathostomata
• Skeleton of cartilage
• Paired fins
• Cold-blooded
• Tooth-like scales on their skin
• Have jaws
• Live in water habitats
• Hatched from eggs
• Gills
• 2 chambers in the heart
Bony
Fish
Bony Fish- Osteichtheys
• Skelton made of bone
• Covered gills
• Scales
• Cold-blooded
• Hatch from eggs
• 2 chambers in the heart
Amphibians
Amphibian- Amphibia
• Most of the young have gills
• Most adults have lungs
• Lay eggs in water or moist soil
• Cold blooded
• Slimy Skin
• 3 Chambers in the Heart
Reptiles
Reptiles- Reptilia
• Dry scaly skin
• Lay eggs with hard shells
• Cold-blooded
• Have lungs
• Lives on Land and water
• 3 Chambers of the heart
Birds
Birds- Aves
• Feathers
• Wings
• Hollow Bones
• Warm-blooded
• Lay eggs with hard shells
• Has lungs
• Has 4 chambers in the heart
Mammals
Mammals- Mammalia
• Hair or fur on their body
• Have mammory glands that create milk
• Have lungs
• Warm-blooded
• Give live birth
• 4 chambers in the heart
• Live in all habitats