Which interaction best illustrates the concept of mutualism?
a) jaguars feeding on wild pigs.
b) squirrels playing with other squirrels.
c) malaria protozoans living on the blood of a host.
d) nitrogen-fixing bacteria in root nodules of legumes.

Which of the following statements concerning gender differences correctly describes an effect on workplace​ communication? a. women emphasize content and outcomes in their communication​ efforts, whereas men place a higher premium on relationship maintenanc b. outdated concepts of gender and sexual orientation are no longer a source of​ confusion, controversy, and discrimination. c. the share of management roles held by men compared with those held by women remains equal the further up the corporate ladder one goes. d. the perception of gender roles in business varies from culture to​ culture, and gender bias can range from overt discrimination to subtle and even unconscious beliefs. e. evidence suggests that men and women tend to have the same communication styles.