Phylogeny Flashcards
1
Q
Spiralia/Lophotrocozoa
A
spiral cleavage
2
Q
Ecdysozoa:
A
non-spiral cleavage
3
Q
chordates
A
Notochord
-vertebrates
-urochordates
-cephalochordates
4
Q
Hemichordates:
A
no notochord, have a stomochord
5
Q
echinoderms:
A
water vascular system
6
Q
cnidaria
A
radial symmetry, cnidocytes
7
Q
ctenophores
A
biradial symmetry
8
Q
Placazoans
A
asymmetrical, no fixed shape or symmetry
9
Q
Porifera
A
asymmetrical, collagen protein makes up skeleton (spongin)