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ANIMALS

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... fish with bony skeletons most fish Class Amphibia: amphibians salamanders, frogs have smooth skin require water to lay eggs Class Reptilia: ... – PowerPoint PPT presentation

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Title: ANIMALS


1
ANIMALS
Invertebrates Animals without backbones
Vertebrates Animals with backbones
2
Phylum Annelida Earthworms have segmented
bodies
Phylum Echinodermata Starfish, sea urchins, sand
dollars have spiny skins
Phylum Mollusca Octopus, clam, snail have some
sort of shell
Phylum Porifera sponges no symmetry
INVERTEBRATES
Phylum Arthropoda crabs, spiders, insects
Class Insecta insects
Class Crustacea crabs, lobsters, shrimp
Class Arachnida spiders
3
Sponges
4
Echinoderms
5
Annelids
6
Molluscs
7
More Molluscs
8
Crustaceans
9
Arachnids
10
Insecta
11
Class Osteichthyes fish with bony
skeletons most fish
Class Amphibia amphibians salamanders, frogs
have smooth skin require water to lay eggs
Class Chondrichthyes fish with cartilage
skeletons sharks, rays
Class Reptilia reptiles snakes,
turtles dry, scaly skindo not require
water to lay eggs
VERTEBRATES
Class Aves birds have feathers most can fly
but not all
Class Mammalia mammals have fur give
milk to young
12
Chondrichthyes
13
Osteichthyes
14
Amphibia
15
Reptiles
16
Aves
17
Mammalia
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