Sea urchins move using their tube feet and spines on the underside of their body. they use their water vascular system. THis is where they pump water into their feet and when they touch the ground the water gets pushed out. This uses a lot of energy but only works slowly.
No. Sea urchins live in the sea.
More sea urchins.
The classification of a Sea Urchin is Echinoidea
there are excatly 3million purple sea urchins
sea urchins eat kelp.
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.
Sea urchins are found generally in the sea, however they can also be found in/on rock pools or areas near to the sea.
Sea urchins reproduce by releasing eggs and sperm into the water, where external fertilization takes place. Once fertilized, the eggs develop into larvae that eventually settle and grow into adult sea urchins. Some species of sea urchins can also reproduce by asexual means, such as splitting or budding.
Sea otters are secondary consumers. This because sea urchins are primary and sea otters eat sea urchins.