Where does all energy for most organisms on earth come from?
a. oxygen
b. carbon dioxide
c. water
d. sunlight?

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight

Which of the following graphs have the same wavelengths