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.
The median pay for top non-profit executives rose 7% in 2008 to $418,555, a fraction of the $7.6 million in median pay for S&P 500 CEOs in 2008, a USA TODAY analysis found.