Name and describe the roles of the three main trophic categories that make up the biotic structure of every ecosystem. Give examples of organisms from each category.
Please answer the below questions in Undergraduate courses: 350 - 500 words or 1 - 2 pages.
Begin each writing assignment by identifying the question number you are answering followed by the actual question itself in bold type.
Use a standard essay format for responses to all questions i.e., an introduction, middle paragraphs and conclusion.
Responses must be typed double-spaced, using a standard font i.e. Times New Roman and 12 point type size.