Which procedure could a student use to examine an intensive property of a rectangular block of wood?
g
een
e f
defens
che
30
.
find the mass.
record the length.
measure the volume.
determine the density.

Which is one example of a phenotypic change that is not genetic

Which of the following statements is true about the relationship between genetic variation and natural selection? a. genetic variation must be present in a population before natural selection can act on it. b. genetic variation arises in a population as a result of natural selection. c. natural selection can act on a population whether there is genetic variation within the population or not. d. after natural selection acts on a population, the amount of genetic variation in the population always increases.

Where would an earthquakes epicenter be in this diagram