shows the interaction among many different food chains in a single ecosystem. food chain. the way in which the organisms in an ecosystem interact with one another according to what they eat, eating the organisms below it. symbiosis.
Equitation is the art or practice of horse riding or horsemanship. More specifically, equitation may refer to a rider's position while mounted, and encompasses a rider's ability to ride correctly and with effective aids. In horse show competition, the rider, rather than the horse is evaluated.
Equivalisation is a technique in economics in which members of a household receive different weightings.[1] Total household income is then divided by the sum of the weightings to yield a representative income.