1. Do you believe that evolution is progressive? Why or why not? What does the Great Chain of Being (or Scala Naturae) have to do with the notion of progress and goals in evolution? What view does current thinking in evolutionary biology overwhelmingly support? 2. Streptococcus pneumoniae, or pneumococcus, is […]

Crocodiles of the Nile often attack and kill large animals (such as wildebeest) by dragging them under the water and drowning them! Crocodiles can do this because they have the amazing ability to stay under the water for an hour or more. Part of the explanation lies in the structure […]

Chase and Christina were studying for their last anatomy and physiology exam of the semester. After reviewing his notes on meiosis, Chase said, “Well, since meiosis is the same in males and females, I don’t need to study the meiosis notes from the female reproductive system lecture.” Christina quickly pointed […]

Biology Discussion “Cells and Cancer and Mitosis and Meiosis” Note: Online students, please respond to one of the following three bulleted items. • Listen to one of the following podcasts listed below: o NPR Podcast: Can healthy eating reverse some cancers? Available here.o Dana Farber Podcast: Sugar and Cancer. Available […]