What must be true for natural selection to happen?
a. the population must be below carrying capacity.
b. resources must be limited in the ecosystem.
c. there can be no competition for resources
d. there must be no predators in the ecosystem.

Greenthe fossil record is the history of life recorded byhuman observationgod.climatologists.remains of the past.

How will you manage your time to accomplish the necessary tasks both on the job and at home?

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