This both reduces gas exchange and limits water loss — a useful survival adaptation. (judithcurry.com)
In his new book, Exultant Ark, animal behaviourist Jonathan Balcombe argues that animals experience pleasure, comfort and joy and that these traits are more than just practical evolutionary survival adaptations. (newscientist.com)
A Snowball to Acidic Hothouse swing would have greatly added to already high evolutionary pressures from anaerobic extinctions through genetic isolation of selective survival adaptations and may have led singled - celled eukaryotic organisms to cooperate together physically and form the first multi-cellular lifeforms. (members.nova.org)