Sea Stars vs. Fish
What type of animal are sea stars?
invertebrates
What do the tube feet of sea stars end in?
stretchy suckers
How do sea stars move?
crawl on tiny tube feet
Which relatives are closest to sea stars?
sea urchins, sea cucumbers, and sand dollars
What feature do fish have that sea stars don't have?
backbones
What unique method do sea stars use to eat?
using one stomach as a traveling mouth
How do sea stars obtain oxygen?
through the water their tube feet suck in
What do fish use to get oxygen?
gills
How many stomachs do sea stars have?
two stomachs
How do fish move compared to sea stars?
swimming, while sea stars walk