The function of the sphincter at the downstream end of the stomach is to ______. ... release acid chyme into the duodenum in periodic squirts. 1. Muscular action propels food through the alimentary canal by a process called ______.he function of the sphincter at the downstream end of the stomach is to ______. ... release acid chyme into the duodenum in periodic squirts. 1. Muscular action propels food through the alimentary canal by a process called ______.
Teal'c's symbiote. From the Stargate SG-1 Season 1 episode, The Enemy Within. The term symbiote (or symbiont) refers to a Goa'uld parasite living in a host animal such as a human or Unas. In biology a symbiote is an organism that lives with or off another organism receiving and/or giving benefits.
Lesson Summary. Symbiosis describes close interactions between two or more different species. There are four main types of symbiotic relationships: mutualism, commensalism, parasitism and competition. Symbiotic relationships are important because they are a major driving force of evolution.