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Invertebrates
The first animal group to evolve 1 billion years ago.
Characterized by their lack of backbone.
Examples: Insects, Worms, and Octopuses
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Invertebrates
The first animal group to evolve 1 billion years ago.
Characterized by their lack of backbone.
Examples: Insects, Worms, and Octopuses
Slide 1 - Slide
Slide 2 - Slide
Fish
Evolved from invertebrates about 500 million years ago.
Fish have backbones.
Fish breathe under water using gills.
Examples: Salmon, Sharks, Clownfish
Slide 3 - Slide
Slide 4 - Slide
Birds
Birds evolved from dinosaurs.
They are the most plentiful flying vertebrates.
Birds are characterized by their coats of feathers.
Examples: Parakeets, Ostriches, Bluejays, and Penguins.
Slide 5 - Slide
Slide 6 - Slide
Reptiles
Characterized by their cold blooded metabolism.
Reptiles get their energy by exposure to the sun.
Reptiles have scaly skin and lay leathery eggs.
Examples: Turtles, snakes, crocodiles, and lizards.
Slide 7 - Slide
Slide 8 - Slide
Amphibians
Amphibians must live near a body of water.
Amphibians are the most endangered animals in the world.
Examples: Frogs, Toads, and Salamanders.
Slide 9 - Slide
Slide 10 - Slide
Mammals
Mammals are characterized by their hair or fur.
Mammals produce milk for their young.
Mammals are warm-blooded.
Examples: Humans, Dogs, Tigers, Zebras.
Slide 11 - Slide
Slide 12 - Slide
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