Trends

Brian O’MearaEEB464 Fall 2015

http://scienceblogs.com/deepseanews/2007/04/why_is_the_giant_isopod_giant.phphttp://pinchmealfredo.blogspot.com/2008_11_01_archive.html

Cope’s Rule

Widespread tendency of many animal groups to grow towards

larger sizes

http://darwiniana.org/horses.htm

What could explain a

trend?How would you test it?

MCSHEA. MECHANISMS OF LARGE-SCALE EVOLUTIONARY TRENDS. Evolution (1994) vol. 48 (6) pp. 1747-1763

MCSHEA. MECHANISMS OF LARGE-SCALE EVOLUTIONARY TRENDS. Evolution (1994) vol. 48 (6) pp. 1747-1763

Alroy . Cope's rule and the dynamics of body mass evolution in North American fossil mammals. Science (1998) vol. 280 (5364) pp. 731-734

Alroy . Cope's rule and the dynamics of body mass evolution in North American fossil mammals. Science (1998) vol. 280 (5364) pp. 731-734

Alroy . Cope's rule and the dynamics of body mass evolution in North American fossil mammals. Science (1998) vol. 280 (5364) pp. 731-734

Alroy. Understanding the dynamics of trends within evolving lineages. Paleobiology (2000) vol. 26 (3) pp. 319-329

Wang. Accounting for unequal variances in evolutionary trend mechanisms. Paleobiology (2005) vol. 31 (2) pp. 191-198

Alroy. Understanding the dynamics of trends within evolving lineages. Paleobiology (2000) vol. 26 (3) pp. 319-329

Alroy. Understanding the dynamics of trends within evolving lineages. Paleobiology (2000) vol. 26 (3) pp. 319-329

Laurin. The evolution of body size, Cope's rule and the origin of amniotes. Syst Biol (2004) vol. 53 (4) pp. 594-622

Laurin. The evolution of body size, Cope's rule and the origin of amniotes. Syst Biol (2004) vol. 53 (4) pp. 594-622

Hunt and Roy. Climate change, body size evolution, and Cope's Rule in deep-sea ostracodes. Proceedings Of The National Academy Of Sciences Of The United States Of America (2006) vol. 103 (5) pp. 1347-1352

Time

Hunt and Roy. Climate change, body size evolution, and Cope's Rule in deep-sea ostracodes. Proceedings Of The National Academy Of Sciences Of The United States Of America (2006) vol. 103 (5) pp. 1347-1352

Novack-Gottshall and Lanier. Scale-dependence of Cope's rule in body size evolution of Paleozoic brachiopods. Proceedings Of The National Academy Of Sciences Of The United States Of America (2008) vol. 105 (14) pp. 5430-5434

O'Keefe and Carrano. Correlated trends in the evolution of the plesiosaur locomotor system. Paleobiology (2005) vol. 31 (4) pp. 656-675