Given that Carla has already knowledge of the example from the Ecology textbook, then her reading will increase. It is called a prereading, it is a technique in which the reader will skim the text before reading it thoroughly.
Carla already has an idea on what she will be ready since she has come across the example before reading the text carefully.
Answer:
what is the helping you need?
The supporting details should be included in the Body Paragraphs of an essay. The introduction is an introduction of what you plan to write about, and the thesis is included in the introduction where you specifically mention your main topics/points. However you elaborate on these in the body paragraphs and these elaborations are your supporting details. The conclusion is a summary of your essay and should not be introducing any new information.
Answer:
Crusades were taking place, other important changes were occurring in medieval society. Between 1000 and 1300, agriculture, trade, and finance made significant advances. Towns and cities grew. This was in part due to the growing population and to territorial expansion of western Europe.