"The Big Ideas" in Env. Sci. Flashcards
1
Q
Energy transfer
A
ex. food chains, webs
2
Q
Interactions between Earth’s systems
A
es. carbon exists in many forms due to the bio-geochemical cycle (CO2 ad in living organisms) - levels fluctuate as population increases
3
Q
Interactions between different species and environment
A
ex. species on Earth have interacted for 4.5 million years, humans the past 2.5 million - impacts especially with agriculture
4
Q
Sustainability
A
Idea of doing things now to not jeopardize the ability of future generations to do similar things
5
Q
What does it mean to have systems within systems?
A
It means that there is a system inside every part of a different system