Echinoderms Flashcards
1
Q
Deuterstome (Echinoderms)
A
Blastopore becomes anus
2
Q
Protostome
A
Blastopore becomes mouth
3
Q
water vascular system
A
water filing the soft hollow tubes makes them rigid enough to walk on.
4
Q
Ampulla
A
when ampulla contracts water is forced through a valve into the tube foot. this extends the foot which attaches to the substrate with its sucker
