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.
saddle - a seat for the rider of a horse or camel. cantle - the back of a saddle seat. English cavalry saddle, English saddle - a saddle having a steel cantle and pommel and no horn. packsaddle - a saddle for pack animals to which loads can be attached. saddlebow, pommel - handgrip formed by the raised front part of a saddle.