Before the industrial revolution, trees were a light gray color. During the industrial revolution many trees were covered in soot. Because of this change, light colored peppered moths were preyed upon and dark colored peppered moths survived. What type of selection does this describe? A. directional B. Disruptive C. stabilizing ​

19. scientists use meteorites that hit earth to provide evidence of the composition of earth's interior because they hypothesize that

Which best describes what you will do in the reaching your academic potential course?

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.