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THE ANIMAL KINGDOM. The animal kingdom can be divided into 9 smaller groups. Each group is called a phylum. PHYLUM PORIFERA Sponges. Sponges are sessile animals (they spend their lives attached to rocks).

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Presentation Transcript
slide5
Water enters the small pores of a sponge, travels through canals, and exits through a large hole at the top of the sponge.
slide8

Cnidarians can have one of two body shapes: an umbrella-shaped medusa form, like the jellyfish on the left, or a vase-shaped polyp form, like the sea anemone on the right.

slide13
Flatworms are the first animals to have a head. Note the hooks and suckers on the head of this tapeworm.
slide17
Nematodes have a complete digestivetract, with a mouth at one end where food enters, and an opening at the other end where wastes exit.
slide27
Annelid worms have a body cavity called a coelom which provides room for organ development.
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Phylum Chordata can be subdivided into 7 classes:AGNATHACHONDRICHTHYESOSTEICHTHYESAMPHIBIAREPTILIAAVESMAMMALIA
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Class Chondrichthyes includes fish whose skeletons are made of cartilage, such as sharks, rays, and skates.
class amphibia includes semi aquatic animals with moist skin they must return to the water to breed
Class Amphibia includes semi-aquatic animals with moist skin. They must return to the water to breed.
class reptilia includes snakes lizards turtles crocodiles and iguanas they have dry scaly skin
Class Reptilia includes snakes, lizards, turtles, crocodiles, and iguanas. They have dry, scaly skin.
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Class Mammalia includes animals with hair or fur. Females have mammary glands to nurse their young with milk.