 Paleontology
The study of the past, as recorded in the fossil record. Weight: 3
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 Anthropology
The study of human origins, behavior, and culture past and present. Weight: 5
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 Entomology
The study of insects, the most diverse group of organisms on the planet.
Weight: 8
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 Vertebrate Zoology
The study of animals with a backbone (such as mammals, birds, reptiles and amphibians). Weight: 9
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 Mineralogy
The study of minerals, including their distribution, identification and properties. Weight: 10
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 Botany
The study of plants including their evolutionary relationships and ecology. Weight: 14
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 Malacology
The study of invertebrate creatures called mollusks, many of which live in shells. Weight: 15
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