Apaleontologist would likely be most interested in finding
a. weapons for an evolutionary arms race with disease-causing organisms.
b. a universal tree of life.
c. weather patterns that affect life on earth.
d. genetic codes to rewrite.

Which of the following is a cost of urbanization? a-cities can provide a high standard of living. b-cities are hubs of entertainment and education. c-paving over land changes the environment. d-job opportunities are greater in urban centers.

What are the two main phases of a cell cycle

In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -