Chordates- subphylas Flashcards
1
Q
characteristic features of chordates are
A
notochord, dorsal hollow nerve chord, paired pharyngeal gill slits
2
Q
chordates are divided into?
A
urochordata
cephalochordata
vertebrata
3
Q
cephalochordates are also known as
A
protochordates
4
Q
where is notochord present in urochordata?
A
larval tail
5
Q
where is notochord present in cephalochordata?
A
head to tail and persistent throughout life
6
Q
ex of urochordata
A
ascidia
salpa
doliolum
7
Q
ex of cephalochordata
A
branchiostoma
8
Q
xtra features present in vertebrate are?
A
ventral muscular heart- 2/3/4 chambers
kidneys for excretion and osmoregulation
paired appendages= fins/limbs
9
Q
A
