Exploring the World of Sea Stars

What is the more correct term for starfish?

• Sea stars

• Ocean stars

• Aqua stars

• Marine stars

Tags

CCSS.RI.4.5

CCSS.RI.5.5

CCSS.RI.6.5

CCSS.RI.7.5

CCSS.RI.8.5

How do most sea stars move?

• Swimming freely

• Using fins

• Floating

• Using tiny tube feet

What does the Northern Sea Star primarily prey on?

• Fish

• Plankton

• Scallops

• Seaweed

How does a sea star consume a mussel?

• Crushing it with teeth

• Sucking out the contents

• Swallowing it whole

• Injecting its stomach inside

Which sea star has a unique method of feeding by using its arms like a net?

• Basket Star

• Giant Pacific Sun Star

• Crown-of-thorns

• Northern Sea Star

What is unique about the Crown-of-thorns sea star's diet?

• It digests living coral

• It feeds on sea cucumbers

• It consumes other sea stars

• It eats sand

What is the largest sea star in the world?

• Giant Pacific Sun Star

• Blue Linckia

• Basket Star

• Northern Sea Star

What is the favorite food of the Giant Pacific Sun Star?

• Other sea stars

• Coral

• Plankton

• Fish

How do Linckia sea stars avoid each other?

• They move in opposite directions

• They bury themselves

• They hide behind corals

• They change colors

What impact can sea stars have on coral reefs?

• They can destroy reefs

• They have no impact

• They can enhance coral growth

• They protect reefs from predators