Energy is converted from solar to chemical in Process A and then from one form of chemical to another in Process B. Which is described by Process A? energy conservation photosynthesis cellular respiration Krebs cycle

Which of the following is not a symptom of desertification? a) decrease in salt content of the soil b) lowering of the water table c) reduced surface water d) increased soil erosion e) loss of native vegetation

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables

This is the interaction of two organisms where one is and the other is neither nor harmed.