What is a sea urchin?

Answer Sea urchins are small animals that can be found in any ocean. Sea urchins are members of the Echinoidea class and somewhat resemble smell hedgehogs or porcupines because of their spiky appearance.A... Read More »

Top Q&A For: What is a sea urchin

What does the sea urchin eat?

Seaweed, also referred to as kelp, is the primary component of a sea urchin’s diet, according to Stanford University. Sea urchins may also exhibit cannibalistic tendencies, and might try to eat o... Read More »

Is a sea urchin a producer?

Sea urchins are animals belonging to the phylum Echinodermata, which includes starfish and sea cucumbers. All animals are consumers feeding on other organisms to acquire the energy needed for life.... Read More »

What is the length of a sea urchin?

A sea urchin can be as long as 4 inches and is found in colors such as pink and purple. These echinoderms eat seaweed and algae, using the teeth on their backs to pull the plant life off rocks.Sour... Read More »

How much does a sea urchin weigh?

According to Stephen Sempier of the Oregon State University Marine Species Department, the red sea urchin weighs approximately 2.25 kilograms on average. This is equal to an average weight of 5 lbs... Read More »