1. Why is biodiversity important to ecosystem? A. It decrease the number of species in a given ecosystem.
B. It helps populations adapt to changes in the environment.
C. It permits animals to feed in a specific area.
D. It increases the level of the food chain.

Sally, age 3 months, has a moist, red, vesicular rash on her cheeks, the backs of her hands, and her arms. her mother said sally was constantly trying to scratch the rash and often has difficulty sleeping. her father has a family history of allergic rhinitis and asthma. discussion questions. 1. review atrophic dermatitis from chapter 3 and discuss the pathophysiology of sally’s symptoms. 2. why is the father’s medical history significant, and what can sally expect as she grows up? 3. discuss the need to limit scratching, and describe practical methods to achieve this.