CANGREJO HERRADURA

SCHOOL: COLEGIO GANDHISTUDENT´S NAME: FERNANDO GERMÁN SÁNCHEZ AGUILA.GROUP: 4o ATEACHER´S NAME: ANA MEDINA. SUBJECT: SCIENCE PROJECT: ANIMAL SUPER SENSES (HORSESCHOE CRAB)

HORSESHOE CRAB

SCIENTIFIC NAME: LIMULUS POLYPHEMOS. PLACE WHERE HE LIVES: ATLANTIC AND YUCATAN PENINSULA. BELONGS TO THE GROUP OF SPIDERS AND SCORPIONS.

HORSESHOE CRAB ANATOMY: 1.- MEASURES AROUND 50 AND 60 CM. 2.- THE BODY IS BEIGE. 3.- A LARGE HORSESHOE-SHAPE CEPHALOTHORAX. 4.- IT HAS 10 LEGS UNDERNEATH. 5.- HAS GILLS. 6.- HAS ITS MOUTH IN THE MIDDLE OF ITS LEGS. 7.- THE ABDOMEN CARRIES A CAUDAL SPINE OR LONG TAIL. 8.- HAS 10 EYES. ( SUPER SENSE)..

HORSESHOE CRAB ANATOMY:

WHAT SUPER sense DO CRABS-HAVE?THEY HAVE A LOT TO EYES (10)!! THE BIGGEST OF WHICH EYES. THEIR HAVE 2 LATERAL COMPOUD EYES, EACH MADE UP OFF ABOUT 1,000 AMMATIDA, PHOTORECEPTORS. SOME OF THE OFTHER EYES HELP SENSE LIGHT, INCLUDING ULTRAVIOLET LIGHT.

FLY

HORSESHOE CRAB

THE ORIGINAL BLUE BLOOD THE BLOOD HAS NUMEROUS MEDICAL BENEFITS AND IS EXPENSIVE. THEY ARE VULNERABLE TO EXTINCTION.

IT LIVES ON SANDY SEABEDS AND FEEDS ON MOLLUSKUS, WORMS AND OTHER INVERTEBRATES.

THE BLOOD OR HEMOLYMPH OF HORSESHOE CRABS CONTAINS HEMOCYANIN, A PROTEIN RICH IN COPPER.

ITS SENSES ARE: THE EYES (ITS ULTRAVIOLET VISION AND SENSITIVITY TO DAYLIGHT), TASTE (IT LOVES MOLLUSKS AND WORMS), SMELL BECAUSE IT BREATHES THROGH THE GILLS, AND TOUCH ( IT LIKES TO FEEL THE SAND).

VIRTUAL INFORMATION SOURCES:

• WIKIPEDIA

• NATIONAL GEOGRAPHIC

• My ANIMALS .

THANK YOU FOR YOUR ATTENTION TEACHER AND COLLEAGUES.