Wildlife Diseases
Chronic Wasting Disease is caused by a ______ and infects _______
prion / deer
A __________ species with a wide availability of niches is most likely to become invasive.
generalist
When SHOULD an animal have a low population number?
top of food chain, apex predator
what is a watershed
An area of land where all water that falls drains into a common area
What is an end?
5 arrows
Brucelosis is a _____ that causes ______.
bacteria / abortions
The invasion curve states that:
by the time the public is aware of an invasive species, it is too late.
Wildlife in the US, Mexico and Canada is managed according to what tennents?
North American Model of Wildlife Management
T or F Increasing hardscapes (asphalt and concrete) can decrease water infiltration and percolation
true
What are the values of the black rings?
3 and 4
WNS is a ______ that infects ______
fungus / bats
A species that is endemic and has become invasive due to climate change is ______.
mountain pine beetle
What is the difference between a density independent and dependent limiting factor?
Density I - natural disasters, doesn't matter how many of a species there is
Density D - impacts species greater at different numbers of organisms
increasing the temperature of water does what to the dissolved O2?
lower it
The C-shaped pivot point for the bowstring is called the
cam
Spongiform encephalopathies cause…
holes to be eaten in brain tissue / CJD, Mad Cow, CWD
What are two ways that humans impact invasive species?
we move them / we damage habitats to make them take hold
The tragedy of the commons is…
when there is a public resource, people overuse the resource if left unchecked.
what is the name for a fish's tail fin?
caudal fin
3 whistles means
go get arrows
Feeding Elk in winter is Montana and Wyoming is good because ____ and bad because _____.
they stay away from feed lots / spread diseases amongst themselves
What survivorship curve and breeding/ parenting strategy would be most likely found in an invasive species?
r select, type 3 curve
What are 4 methods of counting/ detecting animals in an ecosystem
DNA testing, complete count, indirect count, incomplete count
increase of nutrients in a water body can cause
eutrophication
what is the odd colored feather on an arrow called
index fletch