Silurian
The weight of a specific number of seeds, utilized to find the average weight of a single seed.
(geology) The landward region of a volcanic chain, opposite the subduction zone.
(geology) Of a geologic period within the Paleozoic era; comprises the Llandovery, Wenlock, Ludlow and Pridoli epochs from about 439 to 409 million years ago.
Of or pertaining to microbiochemistry.
博物館の展示では、初期の礁生態系を示すシルル紀の化石が展示されていた。
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