A sea urchin is a heterotroph. Heterotrophs are organisms that cannot produce their own food and must obtain nutrients by consuming other organisms. Sea urchins are omnivores, feeding on algae, plankton, and small invertebrates.
a hetertroph
Autotroph
it is a Heterotroph
they are autotroph autotrophs are organisms that produce there own food
Heterotroph
it's an autotroph because autotrophs don't consume other animals or things in order to get energy, and a rose bush does not eat anything, but gets energy in the form of ATP.
The classification of a Sea Urchin is Echinoidea
I think it is a heterotroph. It does not make food. And it consumes dissoved oxygen Watch "MANNY AND LOLA" on facebuk
sea urchin
A sea urchin does move, but not very frequently.
because the crab needs the sea urchin for protection and the sea urchin needs the crab for food
Ummm...it's the thing from which a sea urchin hatches?