The Front Limbs of Birds and Bats -- Both Wings

question 4

Multiple Choice

The front limbs of birds and bats -- both wings -- are considered to be:

• A) homologous structures.
• B) homozygous structures.
• C) divergent structures.
• D) vestigial structures.
• E) homoplastic structures.

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Definitions:

Standard Form

In mathematics, it often refers to a way of writing numbers using digits, or a specific format for linear equations, depending on the context.

Hyperbola

A type of smooth curve lying in a plane, defined by its geometric properties or by equations that satisfy its definition.

Asymptotes

Lines that a graph approaches but never actually touches, indicative of behavior at infinity or discontinuities.

Vertices

The plural of vertex, referring to the corners or intersecting points of geometric shapes or graphs.