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TLE - Threats to biodiversity (2) - Statistics
General Stats
- This quiz has been taken 7 times
- The average score is 42 of 46
Answer Stats
| Hint | Answer | % Correct |
|---|---|---|
| Changes to pH levels | Acid mine drainage | 100%
|
| Changes to pH levels | Acid rain | 100%
|
| Signal Crayfish advantages | Aggresive | 100%
|
| The _______ ___ squirrel is ____ and better adapted to ________ food (e.g. ___ _____) than the _____ ___ squirrel | American Grey, larger, digesting, oak acorns, British Red | 100%
|
| Impacts of forest clearance | Bat inactivity | 100%
|
| How Signal Crayfish alter the environment | Burrowing | 100%
|
| Illness caused by low pH | Chronic stress | 100%
|
| Changes to water availability | Damming | 100%
|
| Changes to water availability | Draining | 100%
|
| Changes to light levels | Eutrophication | 100%
|
| Changes to water availability | Flooding | 100%
|
| Changes to light levels | Forest clearance | 100%
|
| Impacts of forest clearance | Forest fires | 100%
|
| Alkaline soils | Inhibits nutrient solubility | 100%
|
| Acidic soils | Inhibits nutrient uptake | 100%
|
| Biotic factors | Interspecies relationships | 100%
|
| Biotic factors | Introduced species | 100%
|
| ________ ________ was introduced from ___ ___ to ________ gardens where it became ______ as its strong ____ grow rapidly | Japanese knotweed, East Asia, ornamental, invasive, roots | 100%
|
| Signal Crayfish advantages | Larger | 100%
|
| Abiotic factors | Light | 100%
|
| Acidic soils | Mobilises toxic metals | 100%
|
| Abiotic factors | Nutrients | 100%
|
| Changes to oxygen levels | Organic pollution | 100%
|
| Changes to water availability | Overabstraction | 100%
|
| Abiotic factors | Oxygen | 100%
|
| Abiotic factors | pH | 100%
|
| Impacts of forest clearance | Photo-oxidation | 100%
|
| The _____ _______ decimated UK ____-_______ crayfish | Signal Crayfish, white-clawed | 100%
|
| Grey squirrels introduced... | Squirrel pox | 100%
|
| Changes may be caused by inactivity, e.g. | Stopping plagioclimax management | 100%
|
| Abiotic factors | Temperature | 100%
|
| Changes to oxygen levels | Thermal pollution | 100%
|
| Changes to temperature | Thermal pollution | 100%
|
| Effects of sudden temperature increase | Thermal shock | 100%
|
| Changes to light levels | Turbidity | 100%
|
| Abiotic factors | Water | 100%
|
| Changes to temperature | Water capacity | 100%
|
| Organisms most vulnerable to low pH (3) | Clams, crayfish, snails | 50%
|
| Signal Crayfish introduced... | Crayfish plague | 50%
|
| Causes of loss of interspecies relationships | Habitat loss | 50%
|
| __ ________ depends on _______ and number of ________ ions | H+ tolerance, alkalinity, carbonate | 50%
|
| Causes of loss of interspecies relationships | Over-exploitation | 50%
|
| Causes of loss of interspecies relationships | Pesticides | 50%
|
| Changes to pH levels | Pollutant gases | 50%
|
| Impacts of forest clearance | Soil erosion | 50%
|
| Changes to temperature | Waste | 50%
|
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