Invertebrates - Deuterostomia Flashcards
1
Q
Deuterostomia
A
echinodermata
chordata
2
Q
echinoderms
A
sea stars, sea cucumbers, sea urchins
slow-moving or sessile marine
coelom and endoskeleton
water vascular system - like circulatory system
branches into tube feet
external fertilization
3
Q
sea stars
A
arms radiating from central disk
tube feet
predator
4
Q
brittle star
A
long flexible arms like spider for moving
arms lack cavity like sea star
5
Q
sea urchins
A
long or short spines instead of arms
feed on seaweed w jawlike thing
6
Q
sea lillies/feather stars
A
use arms for suspension feeding
may attach or crawl
7
Q
sea cucumbers
A
worm like
lack spines
feeding tentacles at one end
