Imagine That a Scientist Discovers a New, Flying Species of Mammal

question 44

Multiple Choice

Imagine that a scientist discovers a new, flying species of mammal that resembles a winged rabbit. What can the scientist say about this organism?

• A)Without any further information, the scientist can say that bat wings and the wings of this new species are homologous.
• B)If molecular sequence data show that bats and this new species share a common ancestor not shared by other mammals, the wings of these two species would be considered homologous.
• C)If molecular sequence data show that bats and this new species do not share a common ancestor not shared by other mammals, the wings of bats and this new species would be considered homologous.
• D)If molecular sequence data show that bats and this new species share a common ancestor not shared by other mammals, the wings of these two species would be considered analogous.
• E)No data could support or disprove the hypothesis that the wings of bats and the new species are homologous.

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Definitions:

Fillister

A type of screw or bolt with a cylindrical head having a slightly domed top surface.

Machine Screws

Fasteners designed to hold together parts of a machine, having a threaded shaft and typically driven into pre-tapped holes.

Oval

A geometric shape resembling a flattened circle, characterized by having a single continuous line without corners.

Bolt Thread Pitch

Describes the distance between threads on a bolt, important for the compatibility and strength of connections.