Coral reefs are the most diverse of all marine ecosystems. They teem with life, with perhaps one quarter of all ocean species depending on reefs for food and shelter. This is a remarkable statistic when you consider that reefs cover just a tiny fraction (less than one percent) of the earthâs surface and less than two percent of the ocean bottom.
bumper - a mechanical device consisting of bars at either end of a vehicle to absorb shock and prevent serious damage. bumper guard - vertical bars attached to a bumper to prevent locking bumpers with another vehicle.
Your car's front bumper is normally a notch higher than the rest of the front-end parts of your vehicle. Not only can it act as an auto embellishment but can, more importantly, also get you extra points for safety on the road. Your car's first line of defense, the front bumper serves as a natural shock absorber.