How does the current, or sixth, mass extinction differ from the past five mass extinction events?
a.
the sixth mass extinction is believed to be caused by human-related factors.
b.
the sixth mass extinction is believed to be caused by natural forces.
c.
the sixth mass extinction is believed to affect relatively fewer species.
d.
the sixth mass extinction is believed to affect relatively fewer areas.

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.