Examlex
The angle around carbon in hydrogen cyanide is ________.
Evolutionary Faunas
Groups of animals that share a common evolutionary history and are identified in the fossil record over large geographical areas and timelines.
Sepkoski
Refers to Jack Sepkoski, a paleontologist known for his work on the biodiversity and extinction events of marine animal families through geologic time.
Arthropods
Arthropods are a phylum of invertebrate animals with exoskeletons, segmented bodies, and jointed limbs, including insects, arachnids, and crustaceans.
Synapomorphies
Shared derived characters or traits that are used to determine evolutionary relationships among organisms.
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