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Sea Urchins

How do sea urchins avoid predators?

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No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.


Protect it from predators.


sea urchins, humans, sea cows...


The predators of bull kelp are sea urchins.


Otters are a sea urchins key predators. If the sea urchin population gets out of hand in a kelp forest, all the kelp are eaten by the sea urchins and hypoxia results.


Sea Otters are predators to sea urchins, mollusks, and some fish. I am 11 and i know this because i have to write a report!


Yes sea stars are predators, because they eat barnacles, chitin's, snails, urchins, limpets, sponges and sea anemones, and that's what makes them predators.


turtles.sharks,sea urchins jellyfish are 95%water .


they have spines that react to predators



Sea urchins protect themselves by way of the multiple spines that stick out of them, pointing in all directions to prevent predators from attacking.


rock crabs, sea urchins,and the giant Triton


the sea urchin has many adaptions like its spikes to protect it self from 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.


They protect the sea urchin from predators, help in movement and burrowing, and they help them with camouflage.


One of kelp's predators is the sea urchin. Sea otters eat sea urchins, that is how they help kelp. (that rhymes)


what are a sea urchins movement


No. Sea urchins live in the sea.


Mostly,their predators are like seals or any type of sea animals that come onto the rocks. But, one of their main predators are humans. We take them for food, and museums, and that definitely shortens their life span.


sea otters eat sea urchins


sea urchins come from the ocean


Sea urchins are echinoderms, not mammals.


Sea urchins do not communicate with each other


sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually




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