Animal Characteristics Flashcards
0
Q
Bilateria
A
- Bilateral symmetry
* Triploblastic (3 tissue layers)
1
Q
Radiata
A
- Radial symmetry
* Diploblastic (2 tissues)
2
Q
Acoelomates
A
• No body cavity
3
Q
Pseudocoelomates
A
• False coelom
• Not completely lined by
mesoderm derived tissue
4
Q
Coelomates
A
- True coelom
- Room for organs in body cavity
- Lined with mesoderm tissue
5
Q
Protostomes
A
• Coelomates • 1st embryo opening (blastopore) becomes mouth • Bilateral symmetry • Triploblastic (3 germ layers) – Mesoderm gives rise to parenchyma, rep organs, & muscle
6
Q
Deuterostomes
A
• 1st embryo (blastopore) opening
becomes anus