Biology Practice Problems Echinoderms Practice Problems Solution: Sea urchins move about bya. tentaclesb. flexible a...

Solution: Sea urchins move about bya. tentaclesb. flexible armsc. movable spinesd. small pincherse. extruding slime

Problem

Sea urchins move about by

a. tentacles

b. flexible arms

c. movable spines

d. small pinchers

e. extruding slime