Write a claim for the current fish that is most related to this extinct fossil above. • Support your claim with data from the patterns of anatomical similarities and differences between the modern and fossil organisms.

• Share your reasoning.

CLAIM:

EVIDENCE: (include specific anatomical evidence.

REASONING:

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.