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Published byEvangeline Rosalind Harris Modified over 8 years ago
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Figure 33.1 Review of animal phylogeny
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Figure 33.2 Sponges
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Figure 33.3 Anatomy of a sponge
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Figure 33.4 Polyp and medusa forms of cnidarians
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Figure 33.4bx Jelly medusa
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Figure 33.5 A cnidocyte of a hydra
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Table 33.1 Classes of Phylum Cnidaria
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Figure 33.6 Cnidarians: Hydrozoans (top left), jelly (top right), sea anemone (bottom left), coral polyps (bottom right)
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Figure 33.6bx Purple striped jelly, Pelagia panopyra
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Figure 33.6dx Coral polyps
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Figure 33.7 The life cycle of the hydrozoan Obelia (Layer 3)
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Figure 33.8x2 Ctenophore
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Table 33.2 Classes of Phylum Platyhelminthes
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Figure 33.9x A flatworm
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Figure 33.10 Anatomy of a planarian
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Figure 33.11 The life history of a blood fluke, Schistosoma mansoni
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Figure 33.12 Anatomy of a tapeworm
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Figure 33.16 Basic body plan of mollusks
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Table 33.3 Major Classes of Phylum Mollusca
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Figure 33.17 A chiton
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Figure 33.18 The results of torsion in a gastropod
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Figure 33.18x Garden snail
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Figure 33.19 Gastropods: Nudibranchs (top left and bottom left), terrestrial snail (bottom left), deer cowrie (bottom right)
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Figure 33.20 A bivalve: Scallop
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Figure 33.21 Anatomy of a clam
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Figure 33.22 Cephalopods: Squid (top left and bottom left), nautilus (top right), octopus (bottom right)
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Figure 33.23 Anatomy of an earthworm
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Figure 33.23x External anatomy of an earthworm
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Table 33.4 Classes of Phylum Annelida
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Figure 33.24 Annelids, the segmented worms: Polychaete (left), feather-duster worm (middle), leech (right)
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Figure 33.24cx Christmas-tree worms
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Figure 33.25ax Nematode, C. elegans
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Figure 33.25b Parasite nematode, Trichinella spiralis
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Figure 33.26 External anatomy of an arthropod
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Table 33.5 Some Major Arthropod Classes
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Figure 33.27 A trilobite fossil
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Figure 33.28 Horseshoe crabs, Limulus polyphemus
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Figure 33.29 Arachnids: Scorpion (left), honeybee air tube filled with parasitic mites (right)
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Figure 33.30b Spider anatomy
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Figure 33.30x Lycosid spider: female with offspring
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Figure 33.31a Class Dipolopoda (millipedes)
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Figure 33.32 Insect flight, dragonfly
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Figure 33.x1 Insecta: beetle
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Figure 33.34 Metamorphosis of a butterfly
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Figure 33.35 Crustaceans: Lobster (top left), banded coral shrimp (bottom left), barnacles (right)
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Figure 33.0 Ochre sea stars, Pisaster ochraceus
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Figure 33.38 Anatomy of a sea star
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Figure 33.37 Echinoderms: Sea star (top left), brittle star (top right), sea urchin (bottom left), sea lily (bottom right),
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