THE SUN: MAIN SOURCE OF ENERGY FOR LIFE ON EARTH.
Energy can be transformed from one form to another FREE ENERGY (available for work) vs. HEAT (not available for work)
Almost all plants are photosynthetic autotrophs, as are some bacteria and protists
Photosynthesis: Calvin Cycle
Energy can be transformed from one form to another
THE SUN: MAIN SOURCE OF ENERGY FOR LIFE ON EARTH
