Question 2 (11 points) What conclusion can be drawn from the change in population of light gray peppered moths and the dark-colored moths? The color change had nothing to do with the change in environment. There were previously no dark-colored pepper moths. Darkerd coloring is currently better for the peppered moth's survival. The lighter peppered moths migrated to a new environment. d

amber has allowed scientists to study dna that has been preserved over millions of years.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

the supermassive black hole is in the middle of the galaxy.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).