B1.6 Waste materials form plants and animals Flashcards
1
Q
How do materials decay?
What are the optimum conditions for this? (3)
A
They’re broken down/digested by microorganisms
-Warm, moist, aerobic
2
Q
“The decay process releases substances that are harmful to plants.” TRUE OR FALSE?
A
False: The decay process releases substances that PLANTS NEED TO GROW
3
Q
What would happen to materials in a stable community?
A
The processes that remove materials are BALANCED by the processes that return materials
4
Q
What is the constant cycling of carbon also known as?
A
The carbon cycle (revise this)
5
Q
What is the carbon cycle?
A
The constant cycling of carbon
