Pea aphid and bacteria Interaction The pea aphid feeds on plant sap, which contains certain amino acids needed for survival. The bacteria provide the pea aphid with amino acids that are not present in the plant sap, and the pea aphid provides the bacteria with amino acids it cannot get on its own.
What type of relationship is shown in the table?
A. parasitic
B. predatory
C. mutualistic
D. competitive