MacPhee and Iturralde provide an alternate hypothesis that the initiators of land mammal clades arrived on the Proto-Antilles by the mid-Tertiary period, approximately at the Eocene Oligocene boundary.
12.
This school of scholars support their alternate hypothesis with historical data when modern sex-selection technologies were unavailable, as well as birth sex ratio in sub-regions, and various ethnic groups of developed economies.
13.
An alternate hypothesis claims that this is largely incorrect, and that Europe is warm mostly because it lies downwind of an ocean basin, and because atmospheric waves bring warm air north from the subtropics.
14.
But this latest research, Bianchi said, suggests " an alternate hypothesis : that maybe the fetal cells actually had some characteristics of stem cells and were capable of responding to injury or remodeling the mother's organs.
15.
An alternate hypothesis breaks up the subclass : placing the orders Arthropleurida and Eoarthropleurida within the basal Penicillata ( as sister to the living Polyxenida ), and leaving only Microdecemplicida as a sister group to the living Chilognatha.
16.
An alternate hypothesis is that adults are affected by temperature as it impacts their movement; this would explain why this study found the same differences in courtship rate when comparing organisms that developed differently but had the same adult conditions.
17.
Being aware that his predecessors were " unanimous in stating that the Etruscans came from the East " he expressed an alternate hypothesis that the Etruscans were " native to the country ", and by doing so opened the autochthonous theory.
18.
Although some of these women were shown to extract them selves from social settings, the study also supported an alternate hypothesis that women experiencing the effects of widowhood are more likely to engage coping mechanisms such as support groups, fellow widowers, and overall strong support systems such as close friends and family ( Wilcox, Evenson, Aragaki, Wassertheil-Smoller, Mouton, Loevinger, 2003 ).
