Examlex
Compare and contrast the processes of diffusion and osmosis.
Marsupial
A class of mammals, primarily found in Australia and the Americas, characterized by giving birth to relatively undeveloped offspring that typically complete their development in a pouch.
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.
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