23kw Flashcards
Ecosystem
All the living organisms that interact with one another in a defined area and also the physical features present in the region
Abiotic
Non living physical features
Trophic level
Each stage in a chain
Producer
Converts light energy into chemical energy by photo
Consumer
Gets its energy from feeding on other organisms
Primary consumer
Animal that eats a producer
Biomass
Mass of living material present In a particular place in particular organisms,
Energy efficiency
The effiency with which the biomass is transferred from one trophic level to the next
Decomposer
Feeds on and breaks down dead plant or animal matter. Turning organic compounds into inorganic compounds.
Detritivores
Feed on Derris and break it into so all pieces of organic material. Increasing SA for decomposer to work. Perform internal digestion.
Nitrogen fixing
N2 to NH3
Rhizobium and Azotobacter
Ntrificatin
NH3 to
No2 (nitrosomonas) or no3 (nitrobacter)
Amoonificqton
Decomposer SA turn n containing compounds on dead organisms into ammioum compounds
Succession
Change in ecosystem over time
Primary succ
Happens on an area of land that has been newly formed for exposed eg bare rock. No soil or organic material present to begin with