Sparrows with Average-Sized Wings Survive Severe Storms Better Than Those

question 39

Multiple Choice

Sparrows with average-sized wings survive severe storms better than those with longer or shorter wings,illustrating

• A)the bottleneck effect.
• B)disruptive selection.
• C)frequency-dependent selection.
• D)stabilizing selection.

---

Definitions:

Phylogeny

The branch of biology that deals with the evolutionary development and diversification of a species or group of organisms.

Derived Homologies

Features shared by descendants of a common ancestor that have undergone evolution to serve new functions.

Synapomorphies

Shared derived characteristics or traits that are used to establish evolutionary relationships among species or groups.

Common Ancestor

The most recent individual from which all organisms in a group are directly descended.