Early Conditins That Allowed Life To Develop Flashcards
(4 cards)
1
Q
Presence of water
A
• Solvent water
—> most chemical reactions in living things involve reactants dissolved in water
• Transport within organisms
—> water is solvent in blood and sap
• Aquatic habitats
• High specific head capacity
—> moderate rate of temp change
2
Q
Temperature range
A
Between 0°C and 35°C
—> warm enough for liquid water but
not hot enough to denature
proteins
3
Q
Atmospheric gases
A
CO2 for photosynthesis
Nitrogen for protein synthesis
4
Q
Solar insolation
A
Sunlight provides energy for photosynthesis
