Marine Animals Quiz

Which adaptation helps deep-sea anglerfish survive in their dark habitat?

• Brightly colored scales for camouflage

• A bioluminescent lure to attract prey

• Large fins for fast swimming

• Thick shells for protection

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What is the primary diet of baleen whales, such as the blue whale?

• Large fish and seals

• Plankton and krill

• Seaweed and algae

• Squid and octopus

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Which of the following marine animals is most affected by ocean acidification, and why?

• Sea turtles, because they eat jellyfish

• Coral, because acidification weakens their skeletons

• Dolphins, because they breathe oxygen

• Sharks, because they are top predators

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What is the group name for a gathering of jellyfish?

• A pod

• A bloom

• A herd

• A troop

How might overfishing of small fish like anchovies affect larger marine animals in the food web?

• Larger animals will have more food

• Larger animals may struggle to find enough food

• It will not affect larger animals

• It will make the ocean cleaner

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What adaptation allows sea cucumbers to avoid predators in their environment?

• They have sharp teeth for defense

• They expel internal organs to distract predators

• They can change color rapidly

• They swim at high speeds

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NGSS.MS-LS4-4

What do Bottlenose Dolphins use to assist them when hunting?

• Highly developed sense of smell

• Echolocation

• Electrical impulses

• Extra sensitive tastebuds

What are the layers of fat that allow some marine mammals to live in colder climates?

• baleen

• blubber

• thermal packs

• insulation pockets

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NGSS.MS-LS4-4

How do penguins manage to drink saltwater?

• They have a special gland to filter out salt

• They only drink freshwater

• They eat snow instead of drinking water

• They boil the water first

What is your favorite marine animal?