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
The powerhouse of the cell...

Mitochondria!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Also known as the snot otter, mud-devil, lasagna lizard, or the Allegheny alligator

Hellbender (Cryptobranchus alleganiensis)
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)
Process by which proteins lose their structure in extreme thermal or pH environments

Denaturing
The Wildlife Society journals/publications
The Journal of Wildlife Management, The Wildlife Society Bulletin, Wildlife Monographs, The Wildlife Professional
Giant, benthic fish with bony plates/spines considered vulnerable (Threatened in Tennessee!)
Sturgeon (Family Acipenseridae: 3 spp. in TN)
Different ways to measure species diversity
Species richness vs evenness
Alpha, beta, gamma diversity
The ecoregion that Clarksville, TN is situated in
Technically, western highland rim (western pennyroyal karst)
Most speciose group of animals on earth
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Beetles (Coleoptera)
Year of The Wildlife Society's founding
Febuary 1936
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
One (of multiple) orogeny event that lead to the formation of the Appalachian mountains
Grenville orogeny, Taconic orogeny, Acadian orogeny, Alleghenian orogeny
"Transition fossil" between aquatic and terrestrial tetrapods (fish -> mammals)
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Tiktaalik
Original name of The Wildlife Society
Society of Wildlife Specialists
Endangered hymenopterid with a distinctive orange spot on its abdomen

Rusty Patched Bumblebee (Bombus affinis)
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
Reflective layer found in the eyes of cats, fish, and other animals for night vision

Tapetum lucidum