Evidence suggest that feathers originally evolved for some function other than facilitating flight. This implies that (choose the best answer): a) Feathers are not currently an adaptation for flight. b) There was negative frequency dependent selection for feathers. c) Adaptations can evolve via the modification of pre-existing structures for a new function. d) Feathers arose via acclimatization. e) Natural selection anticipates future need and directs evolution accordingly.

Evidence suggest that feathers originally evolved for some function other than facilitating flight. This implies that (choose the best answer): a) Feathers are not currently an adaptation for flight. b) There was negative frequency dependent selection for feathers. c) Adaptations can evolve via the modification of pre-existing structures for a new function. d) Feathers arose via acclimatization. e) Natural selection anticipates future need and directs evolution accordingly.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter46: Gas Exchange: The Respiratory System

Section46.5: Respiration At High Altitudes And In Ocean Depths

Problem 1SB: What are the key evolutionary adaptations that diving mammals use to survive at significant ocean...

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