Vertebrates Flashcards
1
Q
First Vertebrates
A
Aquatic species, giving rise to one of most successful groups of animals
2
Q
Chordates
A
Bilaterally symmetrical coelomates w/ segmented body
3
Q
Agnatha
A
no jaw (hagfish & lampreys)
4
Q
Gnathostomata
A
Verts w/ jaw (much larger clade)
5
Q
Oviparous
A
eggs hatch outside of body
6
Q
Ovoviviparous
A
eggs hatch inside of body
7
Q
Viviparous
A
Live Young, nourished by adult