What must occur for the gene pool within a population to change?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

What is true of all organisms in the kingdoms protista, plantae, fungi, and animalia? a. they are multi-celled. b. they are photosynthetic. c. they have cells that contain membrane-bound organelles. d. they contain cells that lack membrane-bound organelles.

What would be he the strand of complementary dna produced be the strand of dna shown below> tcg aag