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Answered 2009-02-06 17:11:28
sea urchins can either reproduce sexually or asexually sea urchins can either reproduce sexually or asexually
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How do giant red sea urchins reproduce?
by mating with another GIANT red sea urchin!
Do sea urchins reproduce sexually or asexually?
Sea urchins generally have separate sexes and spawn seasonally every year. Eggs and sperm are usually released to the water column where fertilisation occurs.
What are a sea urchins threats?
what are a sea urchins movement
Do sea urchins live in Connecticut?
No. Sea urchins live in the sea.
Why does coral reproduce?
it lives off its atoms and when sea urchins go to eat them and they drop a little piece then it gets covered by dirt and the dirt reproduce it
What are five ocean animals that reproduce sexually?
Five ocean animals that can produce sexually are Cnidarians, sea cucumbers, jellyfish, sea anemone and sea urchins.
What sea animals eat sea urchins?
sea otters eat sea urchins
Where do sea urchins come from?
sea urchins come from the ocean
Are sea urchins a mammal?
Sea urchins are echinoderms, not mammals.
Why do you think that frogs only produce hundreds of eggs at a time whereas sea urchins must produce millions if they are to reproduce effectively?
Frogs are much more active and efficient parents than sea urchins are. Frogs are able to protect and care for eggs until they hatch, whereas sea urchins cannot. Therefore, sea urchins need to produce more eggs to account for higher mortality.
Do sea urchins communicate?
Sea urchins do not communicate with each other
Differences between sea urchins and sea cucumbers?
sea urchins murder u faster
How deep in the sea do sea urchins live?
How deep do sea urchins live
How many purple sea urchins are there?
there are excatly 3million purple sea urchins
Are sea urchins unicellular?
Sea Urchins are multicellular animals, phylum echinodermata.
Can sea urchins live outside of water?
No, or they wouldn't be called *sea* urchins.
What eat sea urchins?
Humans, sea otters, and many more sea creatures eat sea urchins
Can sea urchins live in fresh water?
Sea urchins are ocean creatures, and do not survive in fresh water. Sea urchins can only thrive in a seawater environment.
How many sea urchins are their in the world?
no one knows how much sea urchins there r
Where do sea urchins live?
Sea urchins live in the sea, rock pools, kelp forests, and coral reefs
Are sea urchins predators?
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Are Sea Urchins mollusks?
No - sea urchins are part of the echinoderm phylum, with sand dollars, starfish and sea cucumbers.
Do sea urchins shoot poison?
it depends on which sea urchin........some sea urchins in Australia shoot poison
What sea urchins eat?
Sea urchins eat seaweed,algae and bits of plants and animals.
Is sea urchins herbivorous?
Yes, sea urchins are herbivores because they mainly feed on algae.
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