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89 Cards in this Set
- Front
- Back
From you reading which of the following is most likely the explanation for how Bernese pythons have been introduced into Florida Everglades |
Pet owners released them |
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A non-essential experimental status for a species or population means that |
It treated as threatened and allows for management flexibility |
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Tragedy of the Commons is best represented by which of the following |
Plastic pollution in the ocean |
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In the video can oceans keep up with the hunt they stated that sustainable aquaculture needs to |
Focus on omnivores |
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The Endangered Species Act gives us the __________ opportunity for management |
Federal government |
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Regional disturbances might include which of the following |
Floods |
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Disturbance: |
Periods of change, destruction, or removal of ecosystem components 1. Often followed by a recovery period |
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Minor/ local disturbances: |
Tree fall, never dams, wallows |
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Severe/ regional disturbances: |
Fire, floods, hurricanes, clear cuts |
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Discrete disturbance: |
Clear beginning and end. 1. Wind storm 2. Avaloanch |
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Constant disturbances: |
Continuous, with no clear end. 1. Pollution 2. Wood harvesting |
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Natural disturbances: |
Often an integral part of many functioning ecosystems. 1. Biological diversity may depend upon natural disturbances 2. Fire, floods, avalanches, hurricane, beetle kill, animal burrows and wallows |
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Anthropogenic disturbances: |
Human caused, often negatively impacts biodiversity (timber harvesting) |
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Ecological succession: |
Process of community development over time until a relatively stable stage in community development is reached called a climax comunity |
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Edward Grambine's ecosystem management: (5 Goals) |
1.viable populations 2. Native ecosystem types 3. Ecological processes maintained 4. Long time periods 5. Accommodate human use and occupancy |
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Edward Grambine's ecosystem management: (10 dominant themes) |
1. Hierarchical context 2. Ecological boundaries 3. Ecological integrity 4.data collection 5. Monitoring 6. Adaptive management 7. Interagency cooperation 8. Organizational change 9. Humans embedded in nature 10. Values |
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3 phases of conserving an endangered species: |
1. Identification 2. Protection 3. Recovery |
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Endangered species: |
Any species or sub-species in danger of extinction throughout all or a significant portion of its range |
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Threatens species: |
Any species or sub-species ... |
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Critical habitat: |
... |
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Candidate species: |
Sufficient information exists on biological vulnerability and threats to support a proposal to list |
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Albedo: |
Some solar radiation is reflected ... |
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Climate forcing : |
Things that change the balance between incoming and outgoing energy in the climate systems are called forcings |
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Climate forcings: (Natural) |
Solar flare, volcano |
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Climate forcings: (man made(anthropogenic) |
Air pollution, green house gasses |
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Tipping point: |
At some point we may put more greenhouse gasses into the atmosphere... |
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Polar bears need ice and... |
The timing of the ice mattered for the polar bear |
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Indicator species: |
... |
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Umbrella species: |
..... |
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Wildlife: |
A non domesticated species |
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Feral species: |
... |
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Invasive species: |
... |
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The study of reptiles an amphibians is called |
Herpetology |
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Reptiles: turtles, tortoises, lizards, snakes |
1. Scales, plates, shells 2.have nails 3. Have lungs 4. Lay eggs/ hard shell |
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Amphibians: newts, salamanders, frogs, toads |
1. Moist smooth skin 2. Lungs, gills and can breath threw there skin 3. Lay eggs / soft gell-like 4. Mesomorphs |
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Bet hedging: |
Spreading risk |
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6 major threats to amphibians: |
1. Habitat loss 2.disease and parasites 3. Climate change 4. Pollution 5. Invasive species 6. Unsustainable use |
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The rate at which primary producers capture and store energy in a given interval is called |
Primary productivity |
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Gross primary productivity: |
The total rate of photosynthesis for an ecosystem during a specified interval |
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The rate of energy storage in plant tissues minus metabolic activity that uses energy is called |
Net primary productivity |
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Pelagic zone: |
The water in the ocean |
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Benthic zone: |
Is the ocean floor |
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Point source pollution: |
A Specific source identified |
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Non- point source pollution: |
You can not identify the source of the pollution |
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Currently the number one reason that species are going extinct is |
Habitat loss |
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Which of the following is true about the current status of polar bears |
They are classified as threatened |
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The oceans unflushable toilet is called a |
Gyre |
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Which of the following is not a reptile |
Salamander |
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Which of the following is not a reason why herps are difficult to study |
Frog and toad calls all sound alike such that we need to capture them to accurately identify different species (false) |
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Which of the following area problems of plastics in the ocean |
Entanglement, digestive tract blocks, chemically contaminated pellets |
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Net primary productivity in an ecosystem is |
The total amount of energy produced through photosynthesis - the cost of respiration |
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Which of the following results from nonpoint pollution |
Loss of wetlands, hypoxic zones, eutrophication |
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Which of the following is not representative of anthropogenic disturbances |
Typhoons |
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Which of the following is the leading cause of deforestation in the Brazilian Amazon |
Cattle ranching |
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Which of the following are recognized sources are pathways of invasive aquatic species |
Fish stocking, boat ballasts, aquarium trade |
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Melting of the ice caps under global warming includes the following repercussions |
Less access to ice holes by polar bears, increased oil and gas activity in northern Alaska, more absorption of the sun's energy into the ocean, changes in weather patterns |
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From the video on grizzly bears in what order do grizzly bears move through food sources starting in the spring |
Young elk, trout, moths, pine seeds |
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From the movie on grizzly bears in the 1970s grizzly bears were forced to stop eating |
Garbage |
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Which of the following is NOT included in Grumbine's dominant themes for ecosystem management |
Focusing on feature to species populations |
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Land that are primarily manage for threaten endangered or candidate species to offset adverse impacts to these species that occurred elsewhere |
Conservation banking |
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Agreement with participating property owners that if they engage in certain conservation practices they will not have to implement additional conservation measures should the at-risk species eventually be listed |
Candidate conservation agreements with assurances |
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Documentation that is required as part of an application for an incidental take permit |
Safe harbor |
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Lay eggs with a hard shell |
Reptile |
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Have larval stage |
Amphibian |
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Breathe through their skin |
Amphibian |
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Destructive to soils and crops carry diseases spread rapidly across the US |
Feral swine |
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Invasive species introduced as a biological control |
Cane toad |
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Listed species in Colorado- decline due to chytrid fungus |
Boreal toad |
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An alien ( non-native to the area, exotic) species whose introduction does or is likely to cause economic or environmental harm or harm to human health |
Invasive species |
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Previously domesticated animal now running wild |
Feral species |
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The intentional or unintentional escape, release, dissemination or placement of a species into an ecosystem as a result of human activity |
Introduced species |
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T/F the tympanic membrane is a gland at the back of the toads head that contains poisons that can be released when threatened |
False |
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T/F herbicide sprayed on agricultural fields are an example of point source pollution |
False |
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T/F an avalanche is an example of discreet disturbance. |
True |
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T/F a Kennedy species is protected by the Endangered Species Act to the same extent as a threatened species |
False |
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T/F nearly one-third of all in Fabians are threatened with extinction |
True |
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T/F critical habitat may include areas not occupied by a species at the time of listing but that are determined essential to its conservation |
True |
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T/F phytoplankton produce more oxygen than all of the plant life on Earth |
True |
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T/F reptiles must have terrestrial and aquatic habitats during their life cycle |
False |
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T/F hypoxic zones are areas where there is little to no oxygen |
True |
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T/F any citizen can petition to list a species under the Endangered Species Act |
True |
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T/F the critical habitat identified as necessary for polar bear recovery was supported by local community and a successful designation by the USFWS |
False |
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T/F high toxicity in nudes and its relation with garter snakes is representative of competitive exclusion |
False |
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T/F distinct subpopulations of invertebrates and vertebrates can be listed as threatened and or endangered |
True |
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T/F bleaching of coral reefs is caused by nonpoint source household products in the ocean |
False |
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T/F animals outside of the United States are listed as endangered on the Endangered Species Act |
True |
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T/F the definition of an introduced species includes reference to economic or environmental harm to humans |
False |
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T/F pocket are one species that have been positively affected by climate change |
False |
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T/F the tipping point of global warming is the point when anthropogenic inputs of carbon reach a level where the earth as a system can no longer regulate increase carbon and temperature levels |
True |