If Flight Is Such an Advantage,how Do We Account for the Evolution

question 65

Multiple Choice

If flight is such an advantage,how do we account for the evolution of flightless birds?

• A)They were primitive ancestors of the winged birds
• B)Flight is costly in terms of energy so birds abandon flight if they live in areas with food and without substantial predators,such as islands
• C)This is always an inferior situation if they can't fly,so wingless birds occur only where winged birds are missing
• D)Birds give up flight if they can avoid having to lay eggs
• E)None of the choices is correct

---

Definitions:

Routine Request

A common or regular appeal for information, services, or action, usually made in a professional context.

Good Manners

The polite behaviors and actions that are considered appropriate and respectful in social interactions.

Cooperation

The action or process of working together to the same end or achieving a common goal.

Multiple Requests

Several calls to action or appeals made simultaneously or consecutively, often requiring prioritization.