Concept, premises and pioneers Flashcards
1
Q
Types of symmetry in animals
A
Spherical symmetry, Radial symmetry, Bilateral symmetry, Asymmetry
2
Q
Segmentation of body into somites or metameres
A
Metamerism
3
Q
Two types of metameris
A
a. Pseudometamerism
b. True metamerism
4
Q
A. Pseudometamerism
- occurs in ___ which every segment is ___ of the other and contains ____ set of ___ that have no connection with organs in other segments
A
cestodes, independent, complete, organs
5
Q
Growth of segments in pseudometamerism
A
- segments are added in front, neck region
- posterior-most body is the oldest and anterior segments are younger
6
Q
B. True metamerism
- ___ ___ of homologous organs
- all segments are integrates into a ____ ____ unit
A
