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11 Cards in this Set

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vertebrate system consisting of glands that produce and secrete hormones that signal to other organs or body tissues
endocrine
phylum that fish, reptiles, and mammals all belong to
chordata
fish, reptiles, and mammals all belong to the subphylum
vertebrata
snakes, lizards, and turtles belong to the class
reptilia
bony fish belong to this class
Osteichtyes
vertebrae body system that contains outer body coverings such as hair, skin, scales, and feathers
integumentary
the more developed the vertebrae, the larger the relative size of the
cerebrum
male fish fluid containing sperm
milt
3 chordate characterisitcs observed in chordate embryos
1. dorsal nerve cord
2. notocord
3. pharyneal gill slits
why are gills feathered?
surface area
process faethered gills aid in in the fish
gas exchange