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In Land Mammals, the Pelvic Girdle Is the Point Where

question 2

Multiple Choice

In land mammals, the pelvic girdle is the point where the leg bones attach to the rest of the skeleton. Whales also have a small pelvic girdle. What type of evidence for common descent would include the whale's pelvic girdle?

Definitions:

Intramolecular

Describes forces or reactions occurring within a single molecule, as opposed to between different molecules.

Intermolecular Forces

The forces which mediate interaction between molecules, including hydrogen bonding, dipole-dipole interactions, and dispersion forces.

Physical Properties

These are characteristics of a substance that can be observed or measured without changing its identity, such as density, color, melting point, and boiling point.

Condensation Point

The temperature at which a gas becomes a liquid; the cooling point where gaseous substances convert into their liquid state.