Calculate Sadie’s body mass index (BMI) based on her pre-pregnancy weight. Based on her weight status and information in Table 18-4, how much weight is Sadie recommended to gain during her pregnancy? Using the chart in Figure 18-2, evaluate Sadie’s weight gain at this point in her pregnancy. How does it compare to what is recommended?

An ecologist studied the same species of deer during the summer and the winter. she noticed that during the summer, when there was plenty of food, the deer were energetic and playful. however, during winter when food was scarce, the deer moved more slowly and did not run unless they needed to escape a predator. which scientific fact is best supported by her observations?