PE6 Flashcards
1
Q
Sun
A
principal source of energy
2
Q
PE7
Eutrophication -
A
runoff (water with disolved fertilisers and chemicals)
algae bloom layer of algae
water plants can photosynthesise
decomposers break down plants
all aquatic life die even decomposers
3
Q
Tropic levels
A
Position of organisation in food web
4
Q
What stops eutrophication
A
phosphorus