simple animal Flashcards
1
Q
radial symmetry
A
have at least 2 planes of symmetry
2
Q
examples of animals with radial symmetry
A
cnidarians, ctenophores, and some sponges
3
Q
bilateral symmetry
A
single plane of symmetry; long narrow bodies
4
Q
protostomes
A
embryonic development of mouth before anus
5
Q
deuterostomes
A
embryonic development of anus before mouth
6
Q
what is the coelom
A
enclosed, fluid filled body cavity in between the tubes
7
Q
what does the coelom do
A
- provides oxygen and nutrients to circulate
- enables internal organs to move independently
8
Q
coelomates
A
have an enclosed body cavity lined with mesoderm
9
Q
acoelomates
A
have no enclosed body cavity
10
Q
pseudocoelomates
A
have an enclosed body cavity partially lined with mesoderm