Cambrian & Ordivician Flashcards
1
Q
Acoelomate
A
j
2
Q
Algal mats
A
j
3
Q
Amebocyte
A
j
4
Q
Archeocyte
A
k
5
Q
Assymetric body plan
A
k
6
Q
Bilateral symmetry body plan
A
j
7
Q
Bivalve
A
j
8
Q
Blastopore
A
j
9
Q
Blastula
A
k
10
Q
Bryozoa
A
j
11
Q
Burgess Shale fossils
A
j
12
Q
Cambrian
A
j
13
Q
Cambrian burrowers
A
j
14
Q
Cambrian explosition
A
j
15
Q
Cambrian swimmers
A
j
16
Q
carivores
A
j
17
Q
Cephalization
A
h
18
Q
Cephalopod
A
j
19
Q
Choanocyte
A
j
20
Q
Choanoderm
A
j
21
Q
Choanoflagellate
A
k
22
Q
Cnidaria
A
j
23
Q
Cnidocyte
A
j
24
Q
Coelom formation
A
j
25
Coelomate
j
26
Colonial Doushantuo fossils
j
27
Ectoderm
j
28
Endoparasites
j
29
Enterocoel
j
30
Epidermis
j
31
Filter feeder
j
32
Gastrodermis
j
33
Gastropod
j
34
Gastrozooid
h
35
Gastrula
h
36
Gonozooid
de
37
Herbivores
r
38
Hermaphrodite
e
39
Homeotic genes
t
40
Homeotic mutants
h
41
Hox genes
g
42
Hydrostatic skeleton
h
43
Lophophore
g
44
Mass feeders
g
45
Medusa
d
46
Mesoderm
r
47
Mesoderm formation
f
48
Mesoglea
r
49
Mollusc
t
50
Omnivores
r
51
Onycophora
f
52
Ordovician period
r
53
Pinacoderm
h
54
Platyhelminthes
d
55
Polychaete
gq
56
Polyp
e
57
Porifera
h
58
Predators
f
59
Protostome
r
60
Pseudocoelomate
r
61
Radial cleavage
r
62
Radial symmetry body plan
e
63
Radula
e
64
Reefs
f
65
Schizocoel
f
66
Seminal receptacle
r
67
Seminal vesicle
e
68
Slushball earth
g
69
Snowball earth
t
70
Spiral cleavage
g
71
Sponges
e
72
Spongocoel
q
73
Suspension feeders
w
74
Transcription factors
d
75
Triploblastic
e
76
Tube feet
e
77
Water vascular system
w
