WorksheetsEchinoderms: Traits, Types & Roles
Total questions: 10
Worksheet time: 5mins
Which of the following is not a role of echinoderms?
They control algae from overtaking ocean floor.
They clean the ocean floor.
They are a source of lime.
They keep the shark population in check by eating shark eggs.
Which of the following looks like a garden vegetable?
King crab
Heart urchin
Sea cucumber
Brittle star
Where do echinoderms live?
In the ocean
In freshwater lakes
In freshwater rivers
On land
Which of the following classes do the sea cucumbers belong in?
Asteroidea
Crinoidea
Holothuroidea
Echinoidea
Which of the following is not a trait of echinoderms?
They have keen eye sight.
They are marine animals.
They have radial symmetry.
They have tube feet filled with sea water.
What are Echinoderm skeletons made of?
Calcium carbonate plates
Spicules
Silica structures
Salt crystals
What is the common name for Class Crinoidea
Sea lilies
Sea tree
Star flower
Star fish
What kind of animals are in Class Asteroidea?
Sea cucumber
Sharks
Star fish
Jelly fish
True or false: All Echinoderms can move around when they are adults.
True
False
True or false: Class Echinoidea contains sea urchins.
True
False
