Bio Quiz Flashcards
1
Q
Dorsal
A
Back
2
Q
Ventral
A
Front
3
Q
Caudal
A
Bottom-tail
4
Q
Medial
A
Middle
5
Q
Lateral
A
Side
6
Q
Sagittal
A
Right and left
7
Q
Frontal
A
Front and back
8
Q
Transverse
A
Top and bottom
9
Q
Define acoelomate.
A
An organism without a cavity.
10
Q
Define pseudocoelomate.
A
An organism with a cavity that is not completely surrounded by a mesoderm.
11
Q
When a morula forms a cavity, it is called the …
A
blastula
12
Q
Define tripoblastic.
A
An animal with all three germ layers: ectoderm, mesoderm, and endoderm.
13
Q
Define vertebrate.
A
An organism with a notochord (or backbone).
14
Q
Define radial symmetry.
A
An animal has the general form of a shell or cylinder and there are spokes from a central axis.
15
Q
Define bilateral symmetry.
A
An animal can only be divided in one plane and the halves are roughly equivalent.
