The imagery in paragraph 4 appeals primarily to the sense of A) sight. B) smell. C) sound. D) taste. 12) Which phrase from the passage is an example of a SIMILE? A) rasping scream B) sounds of wailing C) as the white herons D) like frozen splashes 13) The main purpose of the passage is to A) describe the food chain in an ecosystem such as the swamp. B) promote the need for conservation in our nation's wetlands. C) vividly illustrate the variety of bird life in the Limberlost region. D) create a vivid portrait of the plants, animals, and insects of the area.