9. a fourth-grader in the united states
does an experiment in her science class.
at the same time, a fourth grader in china
is asleep. why is it daytime in the united
states while it is nighttime in china?
a earth's rotation
® earth’s revolution
© the moon's revolution
a d earth's path as it orbits the sun

Ts assignment - snow day assignment genetic variation and natural selection natural selection relies on genetic variation. in any population of beetles, there are alleles for brown or green color. what happens to the genotype and the phenotype of the beetle population when there are distinct advantages and disadvantages due to color? order the steps that take place during natural selection in this beetle population.