Sea Stars: The Underwater Predators

Sea stars, also known as starfish, are fascinating marine animals found in various oceanic regions. Despite lacking a brain, they exhibit remarkable behaviors, such as using tube feet for movement and diverse feeding strategies. Some sea stars, like the Crown-of-Thorns, can significantly impact coral reefs. The Giant Pacific Sun Star is the largest sea star, while the Linckia sea star displays unique movement patterns. Sea stars are effective predators, capable of altering marine ecosystems.

What is the more accurate term for starfish?

• Sea stars

• Water stars

• Ocean stars

• Marine stars

How do most sea stars move?

• Floating with currents

• Using their rays like legs

• Swimming with fins

• Using tiny tube feet

What is the primary prey of the Northern Sea star?

• Seaweed

• Scallops

• Coral

• Plankton

How does a sea star consume a mussel?

• By swallowing it whole

• By dissolving it with acid

• By crushing it with its rays

• By injecting its stomach inside

What unique ability does the Crown-of-thorns sea star have?

• It can fly

• It can digest living coral

• It can change colors

• It can live on land

Where can the Giant Pacific Sun Star be found?

• In the Atlantic Ocean

• In the Indian Ocean

• In the Mediterranean Sea

• In the Canadian north Pacific

What is the Giant Sun Star's favorite food?

• Plankton

• Other sea stars

• Coral

• Seaweed

How many rays does a typical Linckia sea star have?

• Twenty-four

• Ten

• Five

• Three

What is a unique behavior of Linckia sea stars?

• They dig into the sand

• They swim in circles

• They avoid touching each other

• They walk on top of each other

What is a common misconception about sea stars?

• They are stationary

• They are intelligent

• They are not predators

• They are fast swimmers