Examlex
The label on the box of breakfast cereal lists one serving as containing "200 Calories" per serving. How many calories are actually in one serving?
Echinoderms
A phylum of marine animals including starfish, sea urchins, and sea cucumbers, characterized by radial symmetry and a water vascular system.
Digestive System
A collection of organs that breaks down food into nutrients, which the body uses for energy, growth, and cell repair.
Subphylum Urochordata
A subphylum of chordates that includes marine animals known as tunicates or sea squirts, having a notochord only during their larval stage.
Phylum Echinodermata
A group of marine animals characterized by radially symmetrical body plans, a water vascular system, and a calcified skin, including stars, sea urchins, and cucumbers.
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