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https://nationalzoo.si.edu/animals/news/10-incredible-horseshoe-crab-facts
Horseshoe crabs predate the dinosaurs. Just how old are horseshoe crabs? … Horseshoe crab blood is blue. Human blood is red because our hemoglobin … They have six pairs of legs but only five are for walking. Horseshoe crabs … One horseshoe crab can lay about 4,000 eggs. Atlantic horseshoe crabs are … Horseshoe crab babies look just like adults — but with translucent shells. It …
Horseshoe crabs predate the dinosaurs. Just how old are horseshoe crabs? …
Horseshoe crab blood is blue. Human blood is red because our hemoglobin …
They have six pairs of legs but only five are for walking. Horseshoe crabs …
One horseshoe crab can lay about 4,000 eggs. Atlantic horseshoe crabs are …
Horseshoe crab babies look just like adults — but with translucent shells. It …
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