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No. Sea urchins are echinoderms, meaning, appropriately enough, "spiny skin". Some of the characteristics of arthropods are jointed appendages, an exoskeleton, and a segmented body. While the hard test, or shell, of sea urchins could be thought of as an exoskeleton, sea urchins have no jointed appendages and do not have a segmented body.
Some examples of arthropods are shrimps, crabs, lobsters, and insects.
What else can I help you with?
What are Sea urchin?
The classification of a Sea Urchin is Echinoidea
The gonads of the are considered to be a delicacy?
sea urchin
How does the sea urchin moves?
A sea urchin does move, but not very frequently.
Why do the carrier crabs carry sea urchin?
because the crab needs the sea urchin for protection and the sea urchin needs the crab for food
What is a sea urchin's eggs?
Ummm...it's the thing from which a sea urchin hatches?
Can a sea anemone live with a sea urchin?
I think a sea anenome and a sea urchin can live together because i have a little aquarium and there is a sea urchin and and a sea anenome (if that's how you spell it) living in there and they were perfectly fine. BUT if you have a sea urchin do not have any crabs in there, because my sea urchin killed one, and almost killed another one by taking its claw off. :(
How is a sea urchin adapted to its habitat?
It urges the sea to adapt to IT! The litle urchin urger.
How does a sea urchin affect people?
Spines of the sea urchin can cause injuries of the skin.
What is the English name for a blue tuxedo sea urchin?
a blue tuxedo sea urchin
What is an urchin?
A (street) urchin is a child who lives on the street, surviving by engaging in petty crimes. A (sea) urchin is a spiny creature (exoskeleton), with a soft interior. I welcome improvements to this answer.
What are some sea animals that begin with the letter U?
Urchin (sea urchin) umbrella-fish
Is the purple sea urchin an invertebrae?
of course it is! look up sea urchin in the da dictionary!!!
