If a single species of squirrel evolved over time into 2 species, each on opposite side of the grand canyon, what is this change mostly due to?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna.b) they study alleles that contain genes, which are chromosomes.c) they study chromosomes that contain genes, which are dna segments.

Aresident is five feet tall.what is the measurements in iches

Explain why it’s important for scientists to study the sun. list at least two challenges researchers face when examining earth’s nearest star.