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Phylum Porifera

Phylum Cnidaria

Phylum Mollusca

Phylum Annelida

Phylum Arthropoda

Phylum Echinodermata

Phylum Chordata

Unique Traits

Sessile, many pores, can be toxic and have spicules

Tentacles with stinging cells called nematocysts

Soft body, muscular foot, mantle that secretes a shell

Segmented worms, circular muscles around body help with movement

Segmented body, exoskeleton made of chitin, molt to grow

Spiny skin, regenerate body parts

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Body Plan

Simple

Simple systems, no circulatory, respiratory systems

Well developed systems

Bilateral symmetry

Specialized front segment with sensory organs

Paired, jointed appendages

Endoskeleton, water vascular system with tube feet

Have a backbone

Example

Sponges

Jellys, Hydroids, Corals

Snails, bivalves, cephalopods

Earthworms, Leeches, Polychaetes

Crustaceans, Insects, Spiders, Horseshoe crab

Sea stars, sea urchins, sea cucumbers

Fish, Amphibians, Reptiles, Birds, Mammals

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Fish (3 Classes)

Class Amphibia

Class Reptilia

Class Aves

Class Mammalia

Characteristics

•Have gills

•Live in water

•Have fins

•Have an internal skeleton (bone or cartilage)

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•Thin smooth or bumpy skin

•Dependent on water for reproduction

•Have lungs or gills, but can also breathe through their skin if needed

•Indicator species

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•Have tough, dry, scaly skin

•Breathe with lungs

•Leathery shelled eggs

•Ectothermic (cold-blooded)

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•Have feather, beaks and wings

•Have lightweight bones

•Can fly (most)

•Endothermic (warm-blooded)

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•Endothermic (warm-blooded)

•Have hair

•Breathe with lungs

•Bear live babies

•Produce milk to feed young

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Examples

Bony fish, Sharks, Rays, Lampreys

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Frogs, Toads, Salamanders

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Snakes, Turtles, Lizards, Crocodilians

Parrots, Song birds, Raptors, Penguins

Humans, Dolphins, Whales, Dogs, Cats