Mendel's principles of heredity apply to many organisms, including animals. for example, in guinea pigs, black fur (b) is dominant over white fur (b).

1. what are the possible genotypes for fur in each of the two guinea pigs shown here?

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.

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

18. how do the cells in meiosis differ from the cells in mitosis?