Level 1 Question: What is the trait that all the organisms have in common?
1: Cells with Nuclei
3: Left/Right Symmetry

Level 2 Question: Which two organisms share the Mammary Glands Trait?
1: Humans and Birds
2: Humans and Bats

Level 3 Question: What trait(s) do the Scorpion and Spider share?
1: External Skeleton
2: Both
3: 8 Legs

Level 4 Question: What is the Trait all of the organisms on the tree have in common?
1: Amniotic Egg
2: Vertebrae

Level 5 Question: Which Organisms share the Lizard-Like Skull trait?
1: Birds, Lizards
2: Dinosaurs, Birds, Lizards

Level 6 Question Extra Credit. Please complete Level 6 in order to properly answer this question: How many organisms shared the Trait Internal Skeleton?