2 In order for a predator prey relationship to be stable over the long-term
(neither species goes extinct), which of the following must be true:
of
Select one:
a. Disturbance must keep competitive exclusion from happening
O b. The community structure must be simple so that the predator can
find its prey or else the predator dies
O c. The environment must be complex so that the prey has places to
hide
O d. The predator's birth rate much be low

This patient undergoes a gallbladder sonogram due to epigastric pain. the report indicates that the visualized portions of the liver are normal. no free fluid noted within morisons pouch. the gallbladder is identified and is empty no evidence of wall thickening or surrounding fluid is seen there is no ductal dilation. the common hepatic duct and common bile duct measure 0.4 and 0.8 cm respectively. the common bile ductmeasurement is at the upper limits of normal what cpt code in icd-10 cm code was used