Starfish Learning Quiz

What group of animals do starfish belong to?

• Mollusks

• Echinoderms

• Crustaceans

• Cnidarians

How do starfish move?

• By crawling

• Using tube feet

• Using fins

• By swimming

What is the primary component of a starfish's endoskeleton?

• Chitin

• Silica

• Calcium carbonate

• Keratin

Where can starfish be found?

• Only in warm waters

• Only in cold waters

• In every ocean of the world

• Only in freshwater

How do starfish reproduce?

• By laying eggs and caring for them

• By releasing eggs into the ocean

• By giving live birth

• By budding

What unique ability do starfish have regarding their gender?

• They have no gender

• They are always female

• They are always male

• They can change gender at will

What do starfish primarily eat?

• Plants

• Plankton

• Algae

• Meat

How do starfish consume their food?

• By filtering it through gills

• By extending their stomach over it

• By using their teeth

• By swallowing it whole

What is one defense mechanism of starfish?

• They can produce venom

• They can regrow lost arms

• They can hide in shells

• They can fly away

What is the largest type of starfish?

• Brittle star

• Crown-of-thorns starfish

• Blue sea star

• Sunflower sea star