<span>A pedal steel guitar uses foot pedals and knee levers. It </span>allows the player to change pitches with his feet and knees (apex). <span>A pedal (or foot pedal) is something you can use if you want to alter the sound coming from your guitar or add various sound effects.</span>
Synathropic is the term which is used to describe fly species which exploit foods and habitat created by agriculture and other human activities. They are considered as pest and also as vectors to diseases which live near human and benefit from human and their dwelling.
Answer:Biodiversity. The variety of organisms in a given area. Succession. The replacement of one community by another at a single place over a period of time. Pioneer Species.