Biotic/baɪˈɑːtɪk/ Definition 1 of 1Pro Tip 1/3Not Physical Refers to the aspect of life, not physical objects like rocks or water. Decomposers play a crucial biotic role in recycling nutrients. Pro Tip 2/3Ecosystem Components Used when discussing ecosystems, to talk about living parts like plants and animals. Biotic components of the marine ecosystem include fish and algae. Pro Tip 3/3Science Discussions Occurs in scientific or educational contexts, like classrooms or nature documentaries. Scientists study biotic factors to understand biodiversity.