Starfish: The Stars of the Sea

What scientific class do starfish belong to?

• Asteroidea

• Mollusca

• Crustacea

• Cnidaria

How many species of starfish are there approximately?

• 500

• 1000

• 2000

• 3000

What is the most common number of arms a starfish has?

• Five

• Three

• Seven

• Ten

How do starfish consume their prey?

• By swallowing it whole

• By using their teeth

• By extending a stomach over it

• By crushing it with their arms

What helps starfish sense light?

• Their central disk

• Their spines

• Their tube feet

• Eyespots on their arms

What unique ability do most starfish have?

• Regenerating lost arms

• Flying

• Singing

• Changing colors

What do starfish use instead of blood to transport nutrients?

• Air

• Seawater

• Oil

• Sand

What are the spines on the outside of a starfish called?

• Fins

• Spicules

• Scales

• Tentacles

What role do starfish play in their ecosystem?

• Pollinators

• Primary producers

• Keystone predators

• Decomposers

How do starfish typically live their lives?

• In large groups

• In pairs

• Solitarily

• In family units