Your 60-year-old male patient experiences periodic pain in t…

Your 60-year-old male patient experiences periodic pain in the upper chest and left shoulder when he overexerts himself, is under emotional stress, or is in places where the temperature and humidity are high.  He has had this problem for several years, and the pain is relieved with rest and taking a nitroglycerin tablet.  The most likely reason for these symptoms is: 

Scientists have discovered a strange new organism in a tropi…

Scientists have discovered a strange new organism in a tropical forest. Observations include: It grows bigger over time. It reproduces by splitting into two smaller organisms. It moves toward sunlight when placed in a dark room. It takes in nutrients from the soil and uses them for energy. It reacts to touch by curling up. It has blue spots. It glows in the dark. Which of the following characteristics indicate that this organism is alive? Select all that apply.