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Questions and Answers
What do King crabs primarily eat?
What do King crabs primarily eat?
- Sponges and sea urchins
- Crabs and mussels
- Protozoa and algae (correct)
- Sand dollars and barnacles
Where do snow crabs mainly search for food?
Where do snow crabs mainly search for food?
- At the ocean surface
- In warm ocean waters
- Along the ocean floor (correct)
- In the snow
What distinguishes hermit crabs from other crabs mentioned in the text?
What distinguishes hermit crabs from other crabs mentioned in the text?
- They are sea-dwellers
- They eat only plants
- They are omnivores (correct)
- They are pets
What is a common misconception about snow crabs based on their name?
What is a common misconception about snow crabs based on their name?
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What type of food do hermit crabs consume when they are kept as pets?
What type of food do hermit crabs consume when they are kept as pets?
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Study Notes
Crabs
- There are over 4,000 different species of crabs.
Types of Crabs
- Four widely known types of crabs: Dungeness crabs, blue crabs, king crabs, and snow crabs.
Diet of Crabs
- Crabs' diets vary depending on their environment.
- Crabs are carnivores and omnivores.
Dungeness Crabs
- Live in the Pacific Ocean, off the coast of the U.S. from northern California to Alaska.
- Eat fish, other crabs, worms, squids, starfish, and snails.
- Hunt along the sea floor for animals partly covered by sand.
- Also eat fish eggs and other Dungeness crabs.
Blue Crabs
- Live in the Atlantic Ocean, along the entire east coast of the United States.
- Eat fish, plants, small crustaceans (shrimp, barnacles, lobsters, and crabs), fiddler crabs, and marsh periwinkles (sea snails).
- Scavengers who eat dead animals on the sea floor.
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