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Sea Urchins
There are over 900 sea urchin species and they can be found in almost all parts of any ocean. They are often characterized by protruding spines from their test.
260 Questions
Do sea urchins have predators?
Yes it does they are sea otters, crabs, and a type of fish.Yes it does they are sea otters, crabs, and a type of fish.
What ocean do Sea Urchins live in?
The zone sea urchins live in is nothing. They don't live in the ocean. Sea urchins live high up in trees. Their diet consists of elifunts and tiygurs. They are eetun by ants and spiydurs. Also sea urchins can fly. And they have x-ray vishun and freez breth. They also have jiunt manshuns and like to punch thing with thayr soopur strong fists. Also they are imurtel which means they can't die... evur. These are truly fasinateng kreechirs.
Do sea urchins eat dead coral?
No They Probably wouldn't because the sea urchin would prick the sea anemones i believe a sea anemone would sting it with its stingers on the end of its tentacles also some could just swim away and sea urchins are i believe among sea anemones
Are puffer fish and sea urchins related to each other?
Yes. Due to evolution, all living things have a common ancestor.
What are some similarities between sea stars and sea urchins?
both of them live in the ocean every where and they are echinoderms
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.
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.
Why do sea urchins cause problems for kelp forests?
They can cause problems for the kelp by sticking to it and feeding off there energy source. Also by not letting go and causing the kelp to sink to the bottom and not get the sun light it needs.
Do sea urchins produce pearls?
Sea urchins do not produce pearls in the same way that oysters do. While oysters create pearls from irritants by secreting layers of nacre, sea urchins have a different defense mechanism. They can form structures called "urchin pearls," which are calcified deposits, but these are not true pearls and are generally not valued like those from mollusks. Instead, sea urchin pearls are often irregular and not sought after in jewelry.
The different crabs that eat sea urchins include (but are not limited to): king crab, decorator crab, hermit crab and many more.
What are all fish star fish snails and sea urchins that live in an aquarium is an example of?
they are an example of Crestations, or they all live in the same areas of coastal waters, depending on the species of crestation.
~Gabby Johnson
What temperature do sea urchins live in?
Sea urchins prefer temperatures at 82 degrees. They can live in salt water temperatures from 72 to 86 degrees though.
Food web including kelp sea urchins sea lions orcas and great whales?
Most of these are mammals MOST of these are mammals. MOST of these are mammals.
How many babies do purple sea urchins have?
they have 4 babies at one birth until their pregnant again
What are the different types of urchins?
There are two common definitions of urchins. An urchin may be a sea urchin, a small prickly animal or to a street urchin or homeless child living on the street.
What happens to kelp forests when sea urchins are not present in the ecosystem?
When sea urchins are not present in the ecosystem kelp forests thrive.
