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H2: Tropical rainforests

A Level Environmental Science revision
Quiz by
stwvlker
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Last updated: May 26, 2025
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First submittedFebruary 24, 2025
Times taken8
Average score92.3%
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Hint
Answer
Distribution
Tropics
% of land area
10
Tree example
Mahogany
Tree example
Teak
Ecological features
Low seasonality
Ecological features
High temperatures
Ecological features
High rainfall
Ecological features
High light levels
Ecological features
High primary productivity
Ecological features
Year-round plant growth
Ecological features
Extensive food webs
Ecological features
Shallow soils
The tropics recieve the most...
Solar insolation
Adaptations
Emergent layer can reach 40m
Adaptations
Denser chlorophyll
Adaptations
Additional photosynthetic pigments
Adaptations
Epiphytes
Species have no reason to evolve further due to...
Stable abiotic conditions
Species have no reason to evolve further due to...
No seasonal fluctuations
Importance
High biodiversity
Importance
Resources
Importance
Research
Importance
Climate control
Importance
Biogeochemical cycles
Importance
Soil erosion controls
Useful defence mechanisms
Toxic alkaloids
Hint
Answer
Useful defence mechanisms
Poison
Useful defence mechanisms
Venom
Threats
Fuelwood collection
Threats
Timber harvesting
Threats
Agricultural expansion
Threats
Mineral extraction
Threats
Reservoir creation
Threats
Over-exploitation
Threats
Global climate change
Cash crop example
Palm oil
% of HEP energy mix in Brazil
60-80
Number of HEP plants in Brazil +year
158, 2016
Impacts of climate change
Drought
Impacts of climate change
Forest fires
Frogs and toads are...
Declining in cloud forests
Epiphytes need...
Moist air
Conservation efforts
Designated Protected Areas
Conservation efforts
Debt for Nature swaps
Conservation efforts
Sustainable exploitation
Camaroon DPA +year
Korup National Park, 1986
Camaroon DPA species: trees, butterflies, mammals
600, 1000, 160
Largest rainforest reserve +country
Tumucumaque National Park, Brazil
USA debt cancellation +country
$24 million, Guatemala
USA debt cancellation +country
$21 million, Brazil
Sustainable exploitation regulations
Quotas
Sustainable exploitation regulations
Replanting
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