Anatomy
What is the purpose of the telson?
What is to turn the HSC over
What is the horseshoe crab classified as?
What is an arthropod
How many years has the horseshoe crab been around for?
What is 350 million years
How many eyes does the horseshoe crab have?
What is 10 eyes
What are the males surrounding the mating couple called?
What is satallite males
What is the preferred habitat of the HSC?
What is calm bays
What type of fertilization do HSC have?
What is external fertilization
What the horseshoe crab's blood used for
What is to detect contamination in medical equipment
What are the first pair of appendages called that sift through the sand for food?
What are the chilicerae
What are the predators of HSCs?
What is sea turtles and sharks
Why do HSCs molt and how many times do they molt?
What is to grow and 15-16 times
What is in the HSC blood that detects infection?
What is amoebocytes
What are 2 ways that males are different than females?
What is females are larger and males have boxing gloves
How long are HSCs kept out of the water during bleeding?
What is 1 hour
At what tide do the the horseshoe crabs spawn at?
What is high tide
How many eggs per cluster does the horseshoe crab average?
What is 4,000 eggs
What is in the bacterial cell wall that amoebocytes can detect?
What is endotoxins
Name the 3 body sections of the HSC
What are the cephalothorax, thorax and telson
What are 3 characteristics of a HSC?
What is exoskelton, jointed appendages and body is segmented
How long do HSC live?
What is 15-20 years
How many days after fertilization does the horseshoe crab hatch?
What is 28 to 30 days
What is the test called that uses HSC blood and what happens when a foreign invader is detected?
What is LAL and a gel will form around the invader