Ecosystems Flashcards
Define producers, consumers and decomposers
Producers- uses sunlgiht energy to produce food
COnsumer- gets energy by eating other organisms
DEcomosoer- organism that gets energy by breaking down dead material
What is the nuterient cycle?
1) When dead material decomposes, nutreients are reliased into the soil
2) The nutrientts are then taken up from soil by plants. The plants may be eating by consumers
£) When plant or consumer die the nutrients are relaeased ito the soil
What are the things that happen in SLapton LWey Reed beds
Reed roots bind the soil together, preventing erosion
BActeris decomoposes dead material
WHat is a food chain for slapton ley reed beds
Common reed - Moth larva - Eel - Bittern
How does chaing one part of the reed bed have an impact on other parts?
Drought dries up pools - Insect larvae die - Fish and grof populations decrease - Bittern numbers decline