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.

Identify characteristics and non-characteristics of perfectly competitive markets.

Recognize the role and implications of being a price taker versus a price maker in perfect competition.

Describe the demand curve faced by a perfectly competitive firm.

Explain the concept of standardized products in contrast to differentiated products in market structures.

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Definitions:

Team Member

An individual who is part of a group working together towards a common goal or project.

Definite "No"

A clear and unequivocal negative response.

Team Members

Individuals who are part of a group collaborating to achieve a common goal or complete a project.

Cultures

The shared practices, values, and beliefs of a group of people.