Gene pool
Sum of a population's genetic material at a given time.
The term typically is used in reference to a population made up of individuals of the same species and includes all genes and combinations of genes (sum of the alleles) in the population.
Your answer would be, The two molecules that green plants use to make glucose are, Carbon Dioxide, and Water.
Hope that helps!!!!! (Carbon Dioxide, and Water.).
Answer:
A.the flow of energy between organisms in an ecosystem
