| Term | Definition |
|
Phylum Mollusca |
bilaterally symmetrical; soft-bodied; shell; well-developed digestive, circ, and nervous systems; sexual |
|
Phylum Mollusca |
octopus, scallop; Bivalvia; clam; snail |
|
Phylum Echinodermata |
echinoderms; no head or brain; radially symmetrical in 5s |
|
Phylum Echinodermata |
sea urchin, sand dollar, sea cucumber, sea star; class echinoidea |
|
Phylum Craniata |
hollow nerve cord becomes the brain and spinal cords; cranium; cartilaginous; bony vertebrate; gills |
|
Class Cyclostomata |
cartilaginous skelleton; no true jaws; two chambered heart; gills |
|
Class Chondrichtyes |
cartilaginous gill; jaws; paired fins; two chambered heart |
|
Class Chondrichtyes |
shark; sting ray |
|
Class Osteichthyes |
bony skeleton; jaws; paired fins; scales; two chambered hear; gills |
|
Class Osteichthyes |
tuna; trout |
|
Class Amphibia |
bony skeleton; moist; glandualr skin; two pairs of limbs; three chambered heard; gas exchange through skin or lungs (adult); gills (larvae); young-inwater; adult- land |
|
Class Amphibia |
toad; frog |
|
Class Reptilia |
bony skeleton; dry, scaly skin; most with two pairs of limbs; leathery-shelled eggs; incompletely divided 4 chambered heart; lungs |
|
Class Reptilia |
turtle; alligator; snake; dinosaurs |
|
Class Aves |
birds; bony skeleton; feathers; no teeth; wings; hard-shelled eggs; 4 chambered heart; endothermic |
|
Class Aves |
owl; sparrow; robin; dove |
|
Class Mammalia |
bony skeleton; hairs; mammary glands w/ milk; 4 chambered heart; endothermic; lungs |
|
Class Mammalia |
3 types: monotremes, marsupials, placentals |
|
Monotremes |
platypus, echidna |
|
Marsupials |
kangaroo, koala |
|
placentals |
whale, human |