Deuterostomes 2 Flashcards
1
Q
What are the general characteristics of Echinodermata?
A
- Enterocoely
- Radial cleavage
- Symmetry may vary between larvae and adult
- Decentralised nervous system
- Autonomy & regeneration of lost parts
2
Q
Describe the symmetry of Echinodermata?
A
Larvae - bilateral
Adults - radial
3
Q
Describe the water vascular system in Echinodermata.
A
- Forms hydraulic system
* Use for food gathering, locomotion, aids respiration and excretion.
4
Q
Give examples of the phylum Echinodermata.
A
- Sea lilies
- Feather stars
- Brittle stars
- Sea biscuits
- Sand dollars
