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Where do horseshoe crabs live?

Where do horseshoe crabs live?. A. The ocean. B. In trees. D. The sky. C. Volcanoes. Next question. Horseshoe crabs live in the ocean!. Is this horseshoe crab young or old?. B. Old. A. Young. Next question. B. Old.

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Where do horseshoe crabs live?

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  1. Where do horseshoe crabs live? A. The ocean B. In trees D. The sky C. Volcanoes

  2. Next question Horseshoe crabs live in the ocean!

  3. Is this horseshoe crab young or old? B. Old A. Young

  4. Next question B. Old You can tell this horseshoe crab is old because it has lots of slipper shells, and encrusting animals on it, meaning that it hasn’t molted recently. Horseshoe crabs molt every year while they’re growing.

  5. How can you tell if a horseshoe crab is a male or female? A. Number of eyes B. Shape of first legs C. Color D. Ask it

  6. Next question B. Shape of first legs This thinner-shaped leg belongs to a female horseshoe crab. This boxing-glove shaped leg belongs to a male horseshoe crab. The male uses his first set of legs to clasp onto the female horseshoe crab during spawning

  7. To which animals are horseshoe crabs most closely related? A. Lobsters B. Clams C. Spiders D. Snails

  8. Next question C. Spiders Even though horseshoe crabs are called "crabs" (crustaceans), they are more closely related to spiders (arachnids).

  9. Click for answers Identify this. . .

  10. Next question Identify this. . . Walking legs for moving along the bay bottom Book Gills for breathing Mouth for eating clams, worms, and other food

  11. What do horseshoe crabs eat? A. Clams and Worms B. Grass C. Algae D. Trees

  12. Next question Help! Horseshoe crabs are scavengers, and they feed on clams and worms that live in the sediment.

  13. Where is the center of horseshoe crab breeding on the East coast? A. Chesapeake Bay B. Raritan Bay D. Long Island Sound C. Delaware Bay

  14. Next question Horseshoe crabs are found from Maine to the Yucatan but the center of their population distribution is Delaware Bay.

  15. Click for answer What is this?

  16. Next question What is this? The Telson The horseshoe crab’s tail is NOT a stinger or poisonous. It is used for steering and as a lever to flip the animal upright when it has been overturned. Never pick up a horseshoe crab by the tail because you could break it!

  17. Where do horseshoe crabs lay their eggs? A. In the grass B. In the water C. In the sand D. On the shell of the male

  18. Next question Horseshoe Crab Eggs Horseshoe crabs lay their eggs on sandy beaches at high tides during new and full moons. Spawning occurs from April to October but is most common in May and June

  19. As birds migrate north for the summer through the Eastern flyway, how many horseshoe crab eggs do they eat in 2-3 weeks? A. Half their body weight B. One-third their body weight C. Twice their body weight D. Five times their body weight

  20. Next question Birds migrating north in the spring can consume up to 2 times their weight in horseshoe crab eggs. The eggs are a rich source of energy.

  21. How old do horseshoe crabs have to be before they can reproduce? A. 2-3 years old B. 5-6 years old C. 9-11 years old D. 12-13 years old

  22. Next question It takes 9-11 years for horeshoe crabs to reach maturity. They have to molt (get out of their old shell) everytime they need to get bigger.

  23. What use does the product, Limulus amoebocyte lysate (LAL) have for people? A. Testing pharmaceuticals B. Vaccine C. Dietary supplement D. Aquaculture of shrimp

  24. Next question The cells from horseshoe crab blood clump together in the presence of toxins from certain bacteria. Scientists have developed a system to use these cells to test drugs that are produced by bacteria.

  25. Horseshoe crab blood is blue: what metal makes it that color? A. Iron B. Copper C. Tin D. Aluminum

  26. Next question Horseshoe crab blood is blue because of the copper in the blood.

  27. What should you do if you see a horseshoe crab stuck on its back on the beach? A. Turn it over B. Turn it over D. Turn it over C. Turn it over

  28. Next Horseshoe crabs sometimes get turned over on the beach, and use their tail (telson) to right themselves. But sometimes their tail is broken and they have a hard time turning over. So if you see one struggling, give it a nudge!

  29. Congratulations! You’re aHORSESHOE CRABQUIZ MASTER!!! Click to reset game

  30. Sorry, try again!! Go back

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