Which characteristics of a population will most likely indicate the lowest potential for evolutionary change in that population

Melting glaciers is a serious threat to the environment what is the possible consequence of melting glaciers on polar bears?

If a baby girl guinea pig looks almost identical to its mother, does this then mean that it inherited more alleles from its mother? explain. (hint: think about the vocabulary words dominant and recessive.)

Ivan is looking at a cross section of a stem taken from a vascular plant. he sees two different types of vascular tissue: the xylem, which is closer to the center of the stem, and the phloem, located around the xylem, closer to the outside of the stem. how do these two structures work together in a living plant?