Lecture 37. Global Climate Change Flashcards
1
Q
What are biomes defined by ?
A
Climate
2
Q
When was the last glacial maximum ?
A
20,000 years ago
3
Q
What protects pollen from UV light ?
A
Evolution of pollen coat
4
Q
What is steppe ?
A
Cold grassland
5
Q
What type of relationship is there between cumulative CO2 emissions and the increase in global surface temperature ?
A
Near linear relationship
6
Q
How much more carbon is stored in permafrost than the atmosphere ?
A
Twice as much
7
Q
What happens when permafrost is melted ?
A
Carbon dioxide is reelased into the atmosphere
8
Q
What is the emissions gap ?
A
The enormous gap between what we need to do and what were actually doing to prevent dangerous levels of climate change
9
Q
What could e.coli be mutated to do ?
A
Consume carbon dioxie rather than sugars or organic molecules
