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No, tube feet are a characteristic feature of echinoderms, such as sea stars and sea urchins. Protists do not possess tube feet.
Dens are unique to the axis.
Aristides identified Christianity as the unique feature of the Roman Empire.
Mezcal is a type of liquor that sometimes contains a worm as a unique feature.
A unique feature is that it has many tall towers with curving sides that taper at the top.
The name echinoderm means "spiny skin." Echinoderms have spines of various lengths that cover the outside of their bodies. Most echinoderms are supported and protected by an internal skeleton made up of bonelike plates. Echinoderms have a simple nervous system but don't have heads or brains.
No. Porifera (sponges) are heterotrophs. This is a key defining feature of all animals.
They are unique by being unique.
Echinoderms are a group of marine animals that include sea stars, sea urchins, and sand dollars. They have spiny skin and a unique water vascular system that helps them move, feed, and respire. Echinoderms are known for their radial symmetry and can be found in oceans around the world.
8=D
No idea! Srry ;