Your classmate claims that she can correctly identify the genotype of her pet guinea pig simply by looking at it. If your classmate is correct, what are the phenotype and the genotype of her guinea pig? Explain your answer.

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.

Which of the following best describes the relationship between glucose and complex molecules such as hormones?

Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?