Physiological protective adaptations include the poisonous properties of the lymph, blood, or skin of inedible species and the excretions from malodorous glands of bedbugs, beetles, skunks, and beavers, which frighten away enemies.
Learn why some CEO's make a $1 salary. Some CEOs of major companies like Facebook and Google only claim an annual salary of one dollar. However, some still receive significant stock options and bonuses adding to their income and existing fortunes.
According to the BLS, the median salary for a chief executive was $175,110 in May 2015. The BLS reports that salaries vary greatly depending on many factors, such as the size and type of firm that chief executives work for, its location, their responsibilities and the length of their service to the company or agency.