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Horseshoe Crab

Horizontales
Horseshoe Crab blood can detect ____________.
The abbreviation for the Limulus Amebocyte Lysate in a Horseshoe Crab's blood
What a Horseshoe Crab's spiny tail is called
What Horseshoe Crabs have instead of a bone structure
The size of a horseshoe crab when they first hatch
Verticales
Horseshoe crabs have been around for over 300 million years making them __________.
Horseshoe Crabs use these to breathe
Something Horseshoe crabs have to do in order to grow
Horseshoe crabs mate when this happens in the sky