The energy source for the synthesis of carbohydrates in the calvin cycle is
a. atp only.
b. photons.
c. energized chlorophyll a.
d. nadph + h+.
e. nadph and atp.

The finches on the galapagos island were similar in form except for variations of their beaks. darwin observed that these variations were useful for: attracting a mate defending territory building nests gathering food

Variety of living organisms; includes genetic, species, and ecological types.

Which direction does the energy flow in this energy pyramid ?