Adog breeder decides that he wants to make his chihuahuas smaller. he calls another breeder and borrows their smallest female chihuahua to breed with his smallest male chihuahua. this is an example of a. natural selection. b. selective breeding. c. whole animal cloning. d. gene cloning.

The process by which natural forces move weathered rock and soil brim one place to another is called

The images show the wings of a bat and a bee. from this evidence, what can you conclude about the evolutionary relationship between these organisms? a. the wing structures of the bat and the bee are different, indicating they didn’t inherit wings from a common ancestor. b. the wing structures of the bat and the bee are different, indicating they inherited wings from a common ancestor. c. the functions of bat wings and bee wings are the same, indicating they obtained wings from a common ancestor. d. the functions of bat wings and bee wings are different, indicating they didn’t obtain wings from a common ancestor.

Which nucleotide component contains nitrogen