Just like a food chain, energy enters the food web at the trophic level of the producers, which can also be called autotrophs. In the desert, autotrophs are often some type of cactus, grass, or shrub.
The main purpose of the INTRODUCTION is to give a description of the problem that will be addressed. In this section the researcher might discuss the nature of the research, the purpose of the research, the significance of the research problem, and the research question(s) to be addressed. Three essential parts of a good introduction are: RATIONALE.
Save. An introduction is the most important part of an essay as it sets the standard and lets the reader know what you have in store for them. Writing a catchy or surprising introduction is a must for a good essay and should leave your audience wanting more.ave. An introduction is the most important part of an essay as it sets the standard and lets the reader know what you have in store for them. Writing a catchy or surprising introduction is a must for a good essay and should leave your audience wanting more.