Special notes (chordates) Flashcards
1
Q
Produce protective mucous, crawl on sea floor, scavengers, some parasitic, round mouths, rotating jaws
A
Jawless Fish
2
Q
Cartilaginous, rows of teeth, lateral line system
A
Sharks, Rays, and relatives
3
Q
Skeletons of true bones, swim bladder, operculum (gill flaps)
A
Bony fish
4
Q
Moist Skin supplements lungs, 1/2 of life in water 1/2 on land, metamorphosis, 1st tetrapods
A
Amphibians
5
Q
Keratin scales, conserve H2O (need little), only use lungs for breathing
A
Reptiles
6
Q
Hollow Bones, Feathers, modified front limbs, beak, large brain, complex behavior
A
Birds
7
Q
Hair, Mammary glands, some have placentas
A
Mammals
8
Q
Worm like, swelling @end of nerve chord=brain, asymmetrical
A
Lancelets and Tunicates
