When Systematists Compare Vertebrates to All Other Animals, the Absence

question 93

Multiple Choice

When systematists compare vertebrates to all other animals, the absence of a vertebral column is the ____ character state, and the presence of a vertebral column is the ____.

• A) homologous; homoplasy
• B) ancestral; homology
• C) homologous; derived
• D) derived; ancestral
• E) ancestral; derived

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Definitions:

Solvent

In a technical context, a solvent is a substance, typically liquid, used to dissolve other substances without chemically changing them, often used in cleaning or as part of chemical reactions.

Rubber Rollers

Rubber rollers are cylindrical tubes used in machinery for various applications, such as facilitating movement in printers and paper handling devices, due to their flexible, grip-friendly surface.

Environmental Enclosure

A housing assembly that encloses a desktop or a laptop computer to protect it from particulate matter (PM) while allowing user access to a keyboard, a mouse, and other components.

Wiring Closet

A small room where network and telecommunications cables are terminated and managed.