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.
Removing and installing a bumper, whether for repair or replacement, is no longer a simple matter of loosening a few bolts. 1  Modern bumpers are connected to numerous vehicle systems, and it takes time to disconnect all of those systems from the bumper. Some of the systems that are integrated into bumpers are: 1  Lights: Fog lights, turn signals, and decorative lights can all be wired into a bumper. 2  Trim: A modern bumper usually has several trim pieces that must be carefully removed prior to repair or replacement.