TRF biodiversity and adaptations (Edexcel GCSE Geography A): Flashcards
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13 cards from this deck
TRF age & biodiversity link
TRF age & biodiversity link
Oldest ecosystems; millions of years for species to evolve
TRF climate characteristics
TRF climate characteristics
Hot & humid year-round, no distinct seasons
Why TRFs most productive ecosystems
Why TRFs most productive ecosystems
Sunlight + warmth + moisture = ideal photosynthesis
Main canopy layer height
Main canopy layer height
30-40m high
Sunlight % reaching herb layer
Sunlight % reaching herb layer
Only 2%
Canopy animal adaptations
Canopy animal adaptations
Strong hands & feet, long tails for balance
Camouflage example: Uroplatus geckos
Camouflage example: Uroplatus geckos
Madagascar geckos mimic tree bark texture & colour
Emergent tree max height
Emergent tree max height
Up to 40 metres tall
Lianas definition
Lianas definition
Climbing plants wrapping around trees to reach light
Drip-tip leaf function
Drip-tip leaf function
Water runs off quickly, prevents mould & rot
Buttress root purpose
Buttress root purpose
Stability for tall trees in shallow soil
TRF nutrient-rich topsoil depth
TRF nutrient-rich topsoil depth
Only 5-10cm deep
Emergent layer height
Emergent layer height
40-50m