What T.W.S. stands for
The Wildlife Society
North America's only native marsupial
Virginia opossum (Didelphis virginiana)
Root of the word "Ecology"
Oikos - "home, dwelling place"
-logia - "study of"
Tennessee's bedrock (broadly)
Sedimentary- limestone, chert, shale
Salamander biodiversity hotspot
The Appalachian mountain region
Author, naturalist, and ecologist best known for writing A Sand County Almanac (1949)
Aldo Leopold
One of multiple periods during which Tennessee was submerged under the ocean
The Ordovician period, the Silurian period, the Devonian period, the Cretaceous period....... a lot of them (up to the Quaternary period)
The Wildlife Society journals/publications
The Journal of Wildlife Management, The Wildlife Society Bulletin, Wildlife Monographs, The Wildlife Professional
The elusive, acrobatic cousin to the striped skunk

Eastern spotted skunk (Spilogale putorius)
An ecological term used to describe the phenomenon of strong indirect impacts on a community by removal of one member/species- can be top-down or bottom-up
Trophic cascade
The ecoregion that Clarksville, TN is situated in
Technically, western highland rim (western pennyroyal karst)
Year of The Wildlife Society's founding
Febuary 1936
One (of multiple) orogeny event that lead to the formation of the Appalachian mountains
Grenville orogeny, Taconic orogeny, Acadian orogeny, Alleghenian orogeny
Original name of The Wildlife Society
Society of Wildlife Specialists
An ecological model describing the fluctuating/oscillating population dynamics between predator and prey species
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Lotka-Volterra model
The Tennessee state fossil

Pterotrigonia thoracica