A Group That Includes the Common Ancestor and Some, but Not

question 42

Multiple Choice

A group that includes the common ancestor and some, but not all, of its descendants is considered to be

• A) paraphyletic.
• B) polyphyletic.
• C) synapomorphous.
• D) monogamous.
• E) monophyletic.

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Definitions:

River Channel

The physical confine of a river, consisting of the bed and banks, through which water flows.

Mountain Front

The area where the steep slopes of a mountain range meet the comparatively flat terrain, often characterized by significant changes in elevation and geologic features.

Youngest Unit

The most recent geological layer, structure, or formation in a sequence of stratified rocks.

Pebble-sized Particles

Small, rounded stones or pieces of rock, typically sized between 4 and 64 millimeters in diameter.