Question

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?

Answer 1

Level 1 Question:

• The trait that all the organisms have in common is Cells with Nuclei.

Level 2 Question:

• The two organisms that share the Mammary Glands trait are Humans and Bats.

Level 3 Question:

The Scorpion and Spider share the following traits respectively:

• External Skeleton
• External Skeleton8 Legs

Level 4 Question:

The Trait all of the organisms on the tree have in common is Vertebrae.

Level 5 Question:

The organisms that share the Lizard-Like Skull trait are Dinosaurs, Birds, and Lizards.

Level 6 Question Extra Credit:

The answers to your questions are as follows:

• Level 1: Cells with Nuclei
• Level 2: Humans and Bats
• Level 3: Both (External Skeleton and 8 Legs)
• Level 4: Amniotic Egg
• Level 5: Dinosaurs, Birds, Lizards
• Level 6: 3 organisms shared the trait of an internal skeleton: Humans, Bats, and Dinosaurs.

To answer the Level 6 question, you first need to complete the previous levels. In Level 6, you are asked to count the number of organisms that share the trait of an internal skeleton. The organisms in the tree are:

• Humans
• Bats
• Dinosaurs
• Birds
• Lizards
• Spiders
• Scorpions

Of these organisms, only Humans, Bats, and Dinosaurs have an internal skeleton. Therefore, the answer to the Level 6 question is 3.