Biology II

All answers should be written on the answer sheet provided. 1. What is a cloaca (2 points)? commcn oper ning for dec vrt, urinary and reproduct 2. List the traits of a platypus that are most similar to i6 pcints): a. Reptiles b. Birds c. Mammals 3. Draw a phylogenetic tree showing the evolutionary relationships of birds, marsupials, mono tremes, placental mammals, and reptiles (4 points). 4. List the five conditions necessary for a population to be in Hardy Weinberg equilibrium (10 points).