Biosphere Context Flashcards
1
Q
What are the three boundaries of the biosphere?
A
Upper (Atmospheric), Lower (Sub-surface), Oceanic
2
Q
What is entropy?
A
Inability to convert a system’s energy in to a mechanism
3
Q
Does life have a low or high level of entropy?
A
Low
4
Q
what are the chemical energies produced by plants?
A
ATP and NADPH
5
Q
Define autotroph and heterotroph?
A
Autotroph is a plant. Heterotroph is animals and humans.
6
Q
Describe the variation of autotroph energy production? Why?
A
Seasonal - Sun’s varying intensity and availability.
7
Q
What is the biosphere?
A
Various definitions but best defined by Gaia as “The place where all organisms and non-organic surroundings are closely related to each other to form a complex system known as the biosphere”
