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How sea urchins protect themselves?
A sea urchin's body is covered in sharp spines.
What is a sea urchins adaptation?
Having pointy spikes to protect themselves.
How does a sea urchins protect themselves?
A sea urchin is covered with very long, quite sharp spines. I know a scuba diver who banged one with his knee and had to go in for surgery.
Do sea urchins have spines?
So that the sea urchin can protect itself from is enemies, it also has venomous spines. They also use their spines to kill other sea ceatures, so they can eat them.
What do the needles on sea urchins do?
Protect it from predators.
How does an octopus protect themselves from enemies?
by making itself look like a venomous sea snake
Do sea urchins throw their spines?
So that the sea urchin can protect itself from is enemies, it also has venomous spines. They also use their spines to kill other sea ceatures, so they can eat them.
What two ways spines are useful adaptation for sea urchins?
They protect the sea urchin from predators, help in movement and burrowing, and they help them with camouflage.
What are predators to sea urchins?
crabs sun flower starthe crabs are as big as a rockthey are stars
What are some sea urchin adaptations?
Sea urchins have several adaptations to help them survive. To protect themselves from predators, sea urchins will react immediately if something sharp touches their shell and they will point all of their spines towards the area being poked. They are also light-sensitive. This is why they are nocturnal. This light sensitivity also allows sea urchins to move their spines in reaction to shadows. In order to protect themselves from being swept away from the powerful ocean currents and waves, sea urchins lodge themselves into holes or crevasses. Finally sea urchins, somewhat like starfish, have a certain regenerative ability. If a spine is damaged or lost, a sea urchin can rebuild it. However if there is too much extensive damage to the test, the sea urchin won't be able to heal it.
Do sea urchins live in Connecticut?
No. Sea urchins live in the sea.
What is the difference between sand dollars and sea urchins?
The structural deference between them is that Sea urchins are more globular whereas sand dollars are flattened. Unlike sea urchins, the sand dollars burrow themselves when threatened. Sand dollars have anus opening at their back side whereas the sea urchins have it at the top.
