Mutualist and antagonist host associations have been shown to exhibit phylogenetic signal (Kawakita et al. 2010; Poulin et al. 2011), which we define as the tendency for close relatives to resemble each other more closely in their characteristics than expected by chance (Wiens et al. 2010).
Many have no close relatives to speak on their behalf.
"They are presumably the last close relatives to us, before humans dominated the world," he said.
The affinities of Vitaceae have long been uncertain, with no obvious close relatives to the family.
Apusomonads are of evolutionary interest because they are close relatives to the supergroup Opisthokonta, which contains both animals and fungi.
I doubt if the widow would want anyone except very close relatives to know.
The development of lung cancer in a person provides even greater impetus for close relatives to avoid smoking.
Several filmmakers have begun to use actors who are close relatives, to allow them to show men and women touching.
In evolution, most genes survive and spread within populations because they increase the ability of their hosts (or their close relatives) to survive and reproduce.
But it's hard to suppress a quickening of the pulse, particularly if, like me, you've lost close relatives to the disease.
Openly bored at first, he is eventually moved by the story of a man who lost three close relatives to cancer.
