Evolution of SwallowsIn the 1970s along the 1-80 highway in Keith County, Nebraska, drivers started noticing large numbers ofdead swallows on the road (Brown & Brown, 2013). This led to a 45-year long study on swallow roadkill tofigure out why this was happening.Cliff Swallows traditionally built their nests on vertical cliff faces. However, with the expansion of roads,they have adopted many bridges, overpasses, and culverts as their colonial nesting sites. Their nests aregrey or brown with openings at one end. Cliff Swallows zoom around in complicated aerial patterns tocatch insects for food. In this new cCredit: J Smith/ Wikimedia Commons ly to have an advantage th Credit: wileydoc/pixabay vive better inQuestion 1.lows to take off quickly after getting food.What do you think are some of the challenges for cliff swallows living in this new environment that didnot exist before the highway was built?HubThese materials were developed by the inquiryHub RPP, including educators from CO and IL, Northwestern University and theUniversity of Colorado Boulder, with support from the National Science Foundation, the Gordon and Betty Moore Foundation andDenver Public Schools. Except where otherwise noted, this work is licensed under the Creative Commons Attribution 4.0International License.OV.3.407/22/2021

Evolution is a continuously occurring process that involves change which is a result of adapting to…

Answered: Question 1. off Ing food. What do you…

Question 1. off Ing food. What do you think are some of the challenges for cliff swallows living in this new environment that did not exist before the highway was built?

Biology Today and Tomorrow without Physiology (MindTap Course List)

5th Edition

ISBN:9781305117396

Author:Cecie Starr, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Christine Evers, Lisa Starr

Chapter15: Animal Evolution

Section: Chapter Questions

Problem 1DID

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Question

Evolution of Swallows
In the 1970s along the 1-80 highway in Keith County, Nebraska, drivers started noticing large numbers of
dead swallows on the road (Brown & Brown, 2013). This led to a 45-year long study on swallow roadkill to
figure out why this was happening.
Cliff Swallows traditionally built their nests on vertical cliff faces. However, with the expansion of roads,
they have adopted many bridges, overpasses, and culverts as their colonial nesting sites. Their nests are
grey or brown with openings at one end. Cliff Swallows zoom around in complicated aerial patterns to
catch insects for food. In this new c
Credit: J Smith/ Wikimedia Commons ly to have an advantage th Credit: wileydoc/pixabay vive better in
Question 1.
lows to take off quickly after getting food.
What do you think are some of the challenges for cliff swallows living in this new environment that did
not exist before the highway was built?
Hub
These materials were developed by the inquiryHub RPP, including educators from CO and IL, Northwestern University and the
University of Colorado Boulder, with support from the National Science Foundation, the Gordon and Betty Moore Foundation and
Denver Public Schools. Except where otherwise noted, this work is licensed under the Creative Commons Attribution 4.0
International License.
O
V.3.4
07/22/2021

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