Marine Animal Classification

Balloon-like internal organ that contains gas

• tetrapod

• fish

• swim bladder

• incubation

Which is the correct classification for the animal pictured?

• Echinoderm

• Pinniped

• Sirenian

• Crustacean

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

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

• Cephalopods

• Arthropods

• Echinoderms

• Pinnipeds

What type of skeleton does a sea star have?

• Exoskeleton

• Endoskeleton

• They do not have a skeleton

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

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What characteristic do all Sirenians share?

• Gills to extract oxygen from the water.

• Skinny body covered in thick fur to aid in insulation.

• Flattened tails and front flippers.

• Dorsal fins and blowholes.

Tags

NGSS.MS-LS4-2

Which of the following marine animals is classified as a 'Cetacean'?

• Shark

• Dolphin

• Octopus

• Sea Turtle

Tags

NGSS.MS-LS4-2

What is the primary characteristic that distinguishes fish from marine mammals?

• Presence of gills

• Warm-blooded

• Live birth

• Presence of scales

Which marine animal is known for having a hard exoskeleton and jointed limbs?

• Jellyfish

• Sea Urchin

• Crab

• Dolphin