Vertebrates and Invertebrates

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Vertebrates Invertebrates

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Vertebrates

• Four vertebrate classes

Amphibia-Amphibians

Reptelia-ReptilesAves-Birds

Mammalia-Mammals

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Invertebrates•Four Invertebrate classes

Annelids

MollusksInsects

Arachnids

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Aves-Birds• There are over 8,000 species of birds.

Reptelia-Reptiles• The most common reptiles include alligators, crocodiles, lizards, snakes, tortoises and turtles.

Amphibia-Amphibians• Most amphibians can both walk and swim in water.

Mammalia-Mammals• Most mammals have hair, or fur, covering their body.• Most mammals walk on 4 legs, with only the humans walking upright on 2 legs.

Annelids• There are about 9,000 species of Annelids known today, including worms and leeches.• There are many types of worms.

Mollusks• Mollusks were among the first inhabitants of the Earth.

Arachnids• Common arachnids are spiders and scorpions.• There are also mites and ticks which are small arachnids that are parasites.

Insects• There are over 800,000 different types of insects.