18. (07.07 HC) Due to its location, Hawaii does not have very many land birds. The Hawaiian honeycreepers are a favorite for many ornithologists. There are over 50 species of honeycreepers that can all be traced back to one ancestor. The level of diversity in an ecosystem can be determined by the frequency of speciation and extinction. (8 points) a. Describe speciation and identify two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to speciation. b. If the Hawaiian honeycreepers became extinct, explain how the newly available niches could lead to speciation.
18. (07.07 HC) Due to its location, Hawaii does not have very many land birds. The Hawaiian honeycreepers are a favorite for many ornithologists. There are over 50 species of honeycreepers that can all be traced back to one ancestor. The level of diversity in an ecosystem can be determined by the frequency of speciation and extinction. (8 points) a. Describe speciation and identify two possible prezygotic barriers of the Hawaiian honeycreepers that contribute to speciation. b. If the Hawaiian honeycreepers became extinct, explain how the newly available niches could lead to speciation.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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