Examlex
The Milky Way is one of over ________ galaxies in the Universe.
Echinoderms
A phylum of marine animals known for their radial symmetry and include starfish, sea urchins, and sea cucumbers.
Water-Vascular System
A unique hydraulic system used by echinoderms (such as starfish and sea urchins) for locomotion, feeding, and gas exchange.
Echinoderms
A phylum of marine animals known for their radial symmetry and include species such as starfish, sea urchins, and sea cucumbers.
Hermaphrodite
Animal that has both male and female gonads, either simultaneously or at different times in its life cycle.
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