Discuss the Evolution of Birds as It Is Currently Understood

question 21

Essay

Discuss the evolution of birds as it is currently understood.Why would some theropod dinosaurs have feathers? Did feathers evolve just once? Did feathers evolve specifically for flight? Is Archaeopteryx really a bird?

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Definitions:

Changing

The phase of Lewin’s planned change process where a planned change actually takes place.

Improvising

The act of spontaneously creating or performing something without prior planning, often in response to unforeseen circumstances.

Changing Phase

A period or stage in a process of transformation where significant alterations occur, leading from one state to a different one.

Lewin's Model

A theory of change management that describes the process as having three stages: unfreezing, changing, and refreezing.