Feedback loops Flashcards
1
Q
What is a feedback loop?
A
A type of chain reaction. Can be positive or negative
2
Q
What is a negative feedback?
A
Processes are counteracted by an opposing process, causing them to cancel out. Nothing changes
3
Q
What is a positive feedback?
A
A process occurs, causing another, then another. Which starts a chain reaction that heightens the first process
4
Q
What are some examples of positive feedback?
A
Wildfires, glaciers, permafrost
5
Q
What are some examples of negative feedback?
A
Increased photosynthesis and rising temps, higher temps and fertilisation, Higher CO2 levels and increased phytoplankton growth, Higher temps and phytoplankton growth
