Examlex
Electrostatic interactions are stronger than hydrogen bonds.
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.
Evolutionary Relationships
The connections among different species or organisms that can be traced back to a common ancestor, explored through genetics, physical characteristics, and other biological data.
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Q85: What describes the following functional group? <img