The mushroom will get 0.05 kcals of energy units in the end. This is because at each level, you only pass on 10% of the energy, which then results in the mushroom getting only 0.05 kcals by the end.
Hi! I believe your answer is B. Lytic cycle
Hope this helps!
Love grace-
Cellular respiration........................
Adaptations of the jackrabbit includelong ears for heat dissipation to keep cool