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What is the name of the shell or skeleton of a sea urchin?

The shell or skeleton of a sea urchin is called a "test." The test is made up of plates that are fused together, forming a hard, protective structure. This skeletal framework provides support and protection for the sea urchin's internal organs.


What small sea animal with sharp spikes on its shell starts with sea?

Sea Urchin !


What is living in the coral reef?

sea shell, sea urchin, small fish and others small sea spices


What is a small sea animal with round body in a shell covered with sharp spines?

It's a sea urchin.


Can you use sea urchin shell as feed additives for poultry production?

it has alot of protein.


What are Sea urchin?

The classification of a Sea Urchin is Echinoidea


How do you open the big shell in atlantis in kingdom hearts?

Go back after you're done at Hollow Bastion. There will be a sea urchin. You have to mess with that to open the shell.


Do sea urchin's have an exoskeleton?

Sea urchins do not have an exoskeleton; instead, they possess an endoskeleton made of calcareous plates that form a hard shell, known as a test. This test is covered in spines, which are part of the urchin's body and provide protection and mobility. The structure allows them to maintain their shape and offers defense against predators.


The gonads of the are considered to be a delicacy?

sea urchin


What is a group of sea urchins called?

A young sea urchin is called larva, pluteus (free-swimming stage), or juvenile.


What is this sea urchin looking tree ball?

It sounds like you might be describing a coconut. Coconuts grow on palm trees and have a hard, spherical outer shell with a hairy appearance that can resemble a sea urchin. Inside the shell is the edible white coconut meat and coconut water.


How does the sea urchin moves?

A sea urchin does move, but not very frequently.