What is common ancestry? A. a DNA test

B. a product of sexual reproduction

C. lineage

D. a product of human intervention

What are two reasons for why a species might disappear from the fossil record?

Which of the following can be reduced by the use of renewable energy sources? a. social costs b. economic costs c. environmental costs d. all of the above select the best answer from the choices provided a b c d

Match each term to its best definition? sedimentary depositional enviornment