Allusion differs from the similar term intertextuality in that it is an intentional effort on the author's part. The success of an allusion depends in part on at least some of its audience getting it.
5 examples of producers in an ocean ecosystem include creatures  like phytoplankton, seaweed, kelp, algae, and coral. These  organisms are called producers because they make â¦ things that other  animals need to keep the ecosystem thriving. + 37 others found this useful. D'Ann Goldwire.
Primary producers. Primary producers are organisms in an ecosystem that produce biomass from inorganic compounds (autotrophs). In almost all cases these are photosynthetically active organisms (plants, cyanobacteria, protists and a number of other unicellular organisms; see article on photosynthesis).