Tumors that will not spread throughout the body are and those that do spread are termed a. malignant; benign b. benign; malignant c. mutagen; carcinogen d. tumor suppressor; proto-oncogene e. benign; mutagen

Which of the following explains why a tree is often used as a model to represent the principle of common descent

Development has provided electrically for less money but what may be considered a cause of nuclear power

An organism's reproductive strategy includes all of the following except a. the number of offspring produced. b. the amount of energy expended in producing offspring. c. the length of time parental care is given d. the number of alleles an organism passes on.