The classification of a Sea Urchin is Echinoidea
Infininity
No. Sea urchins live in the sea.
More sea urchins.
there are excatly 3million purple sea urchins
sea urchins eat kelp.
Sea weed fits in the vegetable category.
Echinoderms.
in the sea
No. Sea urchins are primary consumers and only eat sea weed, algae and kelp.
Yes, sea urchins are herbivores because they mainly feed on algae.
Echinoderms are a category of sea invertebrates; there are 5 groups of echinoderms, Asteroidea, Crinoidea, Echinoidea, Holothuroidea and Ophiuroidea. A sea cucumber is a holothuroidea; their lengthy body surrounded by leathery skin identifies holothuroideas. A sea lily is a crinoidea; crinoidea feed off the seabed with a mouth at the top of their body.
Sea urchins are found generally in the sea, however they can also be found in/on rock pools or areas near to the sea.