Typically how many arms does a sea star have?
What is 5
can we eat echinoderms
yes
sea urchins have no arms true or false
true
which echinoderm is a filter feeder
What is the sea cucumber.
Water is taken into a sea star through its ____________.
round plate or opening eartube feet
what colours can sea cucumbers be
red yellow green
soft flexible and muscular with tough skin
What is the sea cucumber.
What are thefunctions of an echinoderms feet
act like sticky suction cups
to move and capture food
Describe 2 functions of echinoderm tube feet.
What is movement, and feeding
what do sea stars eat
clams
do sea urchins have tube feet
yes between the spines
what covers a centre shellin sea urchin
spines
what does echinoderm mean
spiny skinned
The skeleton of echinoderms is an......
endoskeleton
how do sea stars feed
forces stomach through its mouth, digestive chemicals break the clam down and sea star sucks it in
how are sea stars different from brittle stars
brittle stars have more jonits and are more flexible
how many teeth like sructures do sea urchins have
5
fluid filled tubes in echinoderms
water vascular system