"Removing such a mechanism from a modern bird then may revert it to the more primitive cold-blooded condition".
He was banished because of this work and some other reason unknown to us, and dwelt in the cold and primitive town of Tomis on the Black Sea.
All these techniques have enabled the team to capture extraordinary and previously unseen behaviour in intimate detail, overturning the myth that cold-blooded life is slow, solitary, cold and primitive and revealing these creatures to be as dramatic, social, warm, sophisticated and passionate as any other animals.
The Call of the Wild is about a domesticated dog dragged from civilization in sunny California to a much more primitive existence in bitterly cold Alaska.
Because of this vast ice, the continent supports only a primitive indigenous population of cold-adapted land plants and animals.
As soon as we became sedentary, agricultural tribes with social boundaries, one seminal myth might have featured our ancestors as primitive beasts who slept in the cold loam of the earth and fed off the salty blood of the living.
Although it is likely that MMs derive from asteroids and comets as do IDPs, those obviously originating from very primitive parent bodies formed in the cold region of the outer solar system have not been identified.
Physical challenge: We spend long hours outdoors, often in sunny, desert (hot during the day, cold at night), dusty, and primitive conditions.
If the conditions were favourable to the development of a Zinc-world in cold hydrothermal settings, many independent primitive Zinc worlds should have emerged more or less simultaneously at many places at the earth surface.
John Haines, whose experience hunting, trapping and surviving as a homesteader in the Alaskan wilderness fueled his outpouring of haunting poetry of endless cold nights, howling wolves and deep, primitive dreams, died on Wednesday in Fairbanks.
Some endure difficult conditions, like extremely hot or cold temperatures in the classroom or primitive sanitation.
