An Introduction to Cladograms and Trees Answer Key | airSlate SignNow - Free Printable

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1. 8
2. Salamander, lizard, pigeon, mouse, chimp (all except Hagfish and perch)
3. Mouse and chimp
4. 3; fur, mammary glands, lungs
5. 2; feathers and beak
6. Lungs and jaws
7. Lungs and jaws
8. Pigeon and chimp are more closely related to each other than to perch or lizard because they share more derived characteristics (feathers, beak, fur, mammary glands, lungs, jaws) indicating a more recent common ancestor.
9. Mouse and chimp are more closely related to each other than to lizards or chimps because they share the most derived characteristics (fur, mammary glands, lungs, jaws), indicating they diverged from a more recent common ancestor.

Parent Tip: Review the logic above to help your child master the concept of phylogenetic tree worksheet answers.

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