Using evidence from the Sea Star Wasting Disease case study, explain how change in allele frequency over time (evolution) happens due to: (Pick one or two of the following to explain) 1) Species increasing in number
2) Mutation and reproduction results in a variety of genes passed on and carries by individuals of a population
3) Organisms in a community compete for resources
4) Organisms who can survive, thrive, and reproduce will increase in number

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

Aheterozygous normal male marries a woman with a sickle cell anemia. give the genotypes and possible phenotypes of the offspring

Are the layers of rock above and below the coal older or younger?