1. Name five characters possessed by birds. Which are apomorphies? Which are plesiomorphies?

1. Name five characters possessed by birds. Which are apomorphies? Which are plesiomorphies? 2. Name two characters possessed by reptiles/birds (the group comprised of turtles, lizards, snakes + crocodiles + dinosaurs + birds; including their common ancestors). Which is an apomorphy? Which is a plesiomorphy? 3. Name four characters possessed by mammals. Which are apomorphies? Which one is a plesiomorphy?