Lungfish and Lizards Both Have Lungs

question 101

Multiple Choice

Lungfish and lizards both have lungs. Can we conclude from this observation that lungfish are the sister group of lizards?

• A)No, lungs are an ancestral trait present in all tetrapods and lungfish.
• B)No, lungs evolved convergently in lungfish and lizards.
• C)Yes, lungs are a synapomorphy that documents the close evolutionary relatedness of lungfish and lizards.
• D)No, lungfish do not have two pairs of walking legs and so cannot be closely related to any tetrapod animals.

---

Definitions:

High-Performance Workplace

A work environment designed to maximize employee productivity, engagement, and satisfaction.

Employee Morale

Refers to the overall satisfaction, outlook, and feelings of well-being that employees feel about their workplace.

Deming

Refers to W. Edwards Deming, an American engineer, statistician, professor, author, lecturer, and management consultant known for his work in quality management and productivity improvement.

Quality Movement

A management approach focusing on continuous improvement of processes, products, and services to achieve superior quality and customer satisfaction.