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Economists have not found a way to predict when recessions will begin and end.
Echinoderms
A phylum of marine animals including sea stars, sea urchins, and sand dollars, known for their radial symmetry and a water vascular system.
Chordates
Animals that at some stage of development have a notochord, a dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail, comprising all vertebrates and several closely related invertebrates.
Exoskeleton
A rigid external covering for the body in some invertebrate animals, especially arthropods, providing both support and protection.
Echinoderm
A phylum of marine animals known for their radial symmetry and unique water vascular system, including starfish and sea urchins.
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