Use the following to answer questions :
Refer to the diagram below of a phylogenetic tree. 
-Which of the following synapomorphies unites the salamander and the lizard?
Definitions:
Alzheimer Disease
A progressive neurological disorder characterized by memory loss, cognitive impairment, and functional decline.
Day Care Center
A facility that provides care and supervision for children or dependent adults during the day, often including educational and recreational activities.
Occupational Health Nurse
A registered nurse specializing in caring for the health and wellbeing of workers, focusing on prevention, education, and injury/illness management in the workplace.
Priority Question
A query that is considered of utmost importance, requiring immediate attention or prompt response.
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