Ecosystems Under Stress (AQA A-Level Geography): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
ShowHide
Practise the cards
10 cards from this deck
Ecosystem definition
Ecosystem definition
System where organisms interact with each other & environment
Type of system ecosystems function as
Type of system ecosystems function as
Open systems
Two main components of ecosystems
Two main components of ecosystems
Abiotic (non-living) and biotic (living)
Producers (autotrophs)
Producers (autotrophs)
Organisms that make their own food using energy from the sun
Consumers (heterotrophs)
Consumers (heterotrophs)
Animals that obtain energy by eating other organisms
Role of decomposers
Role of decomposers
Break down dead organic material & release nutrients
Primary consumers
Primary consumers
Herbivores that feed directly on plants
Ultimate energy source for all living things
Ultimate energy source for all living things
The Sun
Temperature change per 100m altitude gain
Temperature change per 100m altitude gain
Drops approximately 1°C
% of sunlight captured by plants
% of sunlight captured by plants
Less than 2%