BSC2011 Exam 2 Learning Catalytic Questions & Answers 2025 A+ Guaranteed Pass!!

BSC2011 Exam 2 Learning Catalytic Questions & Answers 2025 A+ Guaranteed Pass!! Based on the evolutionary tree below, when did animals and plants last share a common ancestor? A) 0.5 billion years B) 0.8 billion years C) 1.3 billion years D) 1.5 billion years E) 4 billion years - ANS-D) 1.5 billion years According to the evolutionary tree, animals and plants share a node around 1.5-1.6 billion years ago. You have to ignore the many branches between then and when the plant or animal kingdom diverged and just focus on the last common ancestor for these 2 groups. Which of the following is an example of how evolution has shaped and placed constraints on animal form and function? A) No animals have bodies with wheels B) All acquatic birds and mammals breathe air, not water