Phylum Chordata Flashcards
1
Q
Charactersistics of Phylum Chordata
A
Bilateral symmetry
Notochord
Dorsal tubular nerve cord
Pharyngeal gill slit
tail
Endoskeleton
Ventral heart, closed circulatory system
Complete digestive system
segmented bodies
2
Q
what is a notochord
A
long flexible cord, runs through body
3
Q
what is a dorsal tubular nerve cord
A
the thingy that developes into the spinal cord
4
Q
what are the 3 subphyla of chordates
A
lancelets
tunicates
vertibrates
5
Q
what are the 7 classes of vertabrates?
A
agathans
chondrichthyes
osteichthyes
amphibians
reptiles
aves
mammalia
