How materials are cycled Flashcards
1
Q
What is the role of decomposers?
A
Break down dead animals which return nitrate and phosphate ions to the soil.
2
Q
What happens to nitrate and phosphate ions in the soil?
A
Taken by plants and used to form large biochemical molecules
(e.g proteins, nucleic acids and cell membranes.)
3
Q
What happens to plants?
A
Eaten by animals
4
Q
What happens to plants once they have been eaten?
A
They get digested and assimilate the molecules into their own biomass.
