1) Asymmetrical and have no tissue, organs, or organ systems. Example is a sponge a) Cnidaria b) Porifera c) Echinodermata d) Chordata e) Nematoda 2) Only phylum to contain vertebrates. Examples are lions, tigers, and bears. a) Cnidaria b) Porifera c) Echinodermata d) Chordata e) Nematoda 3) Radial symmetry, hard plates, thousands of tube feet and a complete digestive system. Examples are sea stars, sea cucumbers, and sea urchins a) Cnidaria b) Porifera c) Echinodermata d) Chordata e) Nematoda 4) Bilateral symmetry with nerve, muscle, digestive tissue and a simple brain, but have a stiff outer coating called a cuticle and has a two opening digestive system. Examples are nematodes and roundworms a) Cnidaria b) Porifera c) Echinodermata d) Chordata e) Nematoda 5) Have no organs or organ systems but have radial symmetry. Examples are sea anemones, jellyfish, etc. a) Cnidaria b) Porifera c) Echinodermata d) Chordata e) Nematoda 6) Bilateral symmetry with nerve, muscle, digestive tissue, one opening digestive system and a simple brain. Examples are flatworms and tapeworms a) Annelida b) Platyhelminthes c) Arthropoda d) Mollusca 7) Bilateral symmetry, a digestive system with two openings. They also have a heart, a stomach, and other organs. Examples are slugs, clams, mussels, octopi, and squid. a) Annelida b) Platyhelminthes c) Arthropoda d) Mollusca 8) Bilateral symmetry and soft bodies. Their bodies have repeating segments covered with a thin cuticle. Examples are earthworms, leeches, and marine worms. a) Annelida b) Platyhelminthes c) Arthropoda d) Mollusca 9) There are more than 1 million identified. They have bilateral symmetry, an exoskeleton, and several pairs of jointed appendages. Examples are insects, spiders, shrimp and crab. a) Annelida b) Platyhelminthes c) Arthropoda d) Mollusca 10) Have two characteristics in common, gills and paired fins. Example is a bass a) Mammals b) Birds c) Reptiles d) Amphibians e) Fish 11) Have waterproof skin covered in scales, and a three chambered heart. Most are cold-blooded and lay eggs. Example is Bearded Dragon a) Mammals b) Birds c) Reptiles d) Amphibians e) Fish 12) Spend part of their life in water and part on land. Their bodies change as they grow older. Their skin is smooth and moist, and their hearts have three chambers. Example is a frog a) Mammals b) Birds c) Reptiles d) Amphibians e) Fish 13) Have hair or fur covering their bodies, complete digestive system and a complete nervous system including a brain. They have mammary glands that produce milk to feed their young. Example is a bear a) Mammals b) Birds c) Reptiles d) Amphibians e) Fish 14) Have light weight bones, skin covered with feathers and scales. If they spend a lot of time in the water, they have oil glands that help the water roll off their feathers. They do not chew their food; they have gizzards that help them grind food into smaller pieces. They have a four chambered heart. Example is a chicken a) Mammals b) Birds c) Reptiles d) Amphibians e) Fish

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