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Animal Phyla

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Anatomy
The study of the structure of an organism
Physiology
Processes and functions of an organism
Vertebrate
An animal that has a backbone; includes mammals, birds, reptiles, amphibians, and fish
Invertebrate
an animal that does not have a backbone
Phylum (phyla)
the taxonomic group below kingdom and above class
Anterior
situated in the front
Posterior
Situated behind or at the back
Caudal
synonym for posterior; at the rear or tail end
Dorsal
relating to the back of an animal; Ex: dorsal fin
Pectoral
situated in the breast or chest
Symmetrical
same on both sides when divided by a line down the center
Asymmetrical
different on each side when divided by a line down the center
Lateral
situated at or extending to the side
Bilateral
having two sides or parts
External Anatomy
the outside body parts of an animal
Internal anatomy
inside structures of an organism

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