Crustaceans, Echinoderms, Pinnipeds and Sirenians

Which marine animal is pictured?

• Seal

• Sea Lion

• Walrus

• Manatee

Tags

NGSS.MS-LS4-2

Which animal pictured is a dugong?

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Tags

NGSS.MS-LS4-2

Which of the following animals are classified as "Pinnipeds"? (Choose all that apply)

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Tags

NGSS.MS-LS4-2

Which is the correct classification for the animal pictured?

• Echinoderm

• Pinniped

• Sirenian

• Crustacean

Why do manatees and dugongs need to periodically come to the surface of the water?

• They need to look around to find food.

• They breathe air using their lungs.

• They need to sunbathe once a day to regulate their body temperature.

• To catch insects which they love to eat.

Which group of marine organisms have 5-part radial symmetry?

• Cephalopods

• Arthropods

• Echinoderms

• Pinnipeds

Which of the following is NOT a characteristic of a crustacean?

• Bilateral symmetry

• Exoskeleton

• Segmented Body

• Radial Symmetry

What type of skeleton does a sea star have?

• Exoskeleton

• Endoskeleton

• They do not have a skeleton

Tags

NGSS.MS-LS4-2

How does water eneter into a sea stars water vascular system?

• Through the madreporite on top of the sea star.

• Through the mouth of the sea star.

• Through the oral spines of the sea star.

• Water is dissolved directly into the cells of the sea star.

Which marine animals below are classified as "Crustaceans". (Choose all that apply.)

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