cold-blooded animal


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poi·ki·lo·therm

(poy'ki-lō-therm),
A poikilothermic animal.

cold-blooded animal

An animal whose body temperature varies according to the temperature of the environment.
Synonym: ectotherm; poikilotherm
See also: animal
References in periodicals archive ?
Among cold-blooded animals, plant eaters were around 33 times as heavy as meat eaters.
Juggernaut, gender unknown, was part of a group of 17 endangered sea turtles rescued off Cape Cod in the fall after they washed ashore because of a "cold stunning" - a sort of hypothermia that sets in when the water gets too cold for the cold-blooded animals. Mr.
This system might be a modification of an ancient circadian control system that first developed in other organisms, including cold-blooded animals, whose daily biological cycles are affected by external temperature changes.
For cold-blooded animals -- including insects, reptiles and amphibians - the impact is direct: experiments suggest that an upward tick of 1 degree Celsius translates into roughly a 10 percent increase in metabolism, the rate at which an organism uses energy.
In addition to lizards, this group of scaly-skinned, cold-blooded animals includes turtles, crocodiles, alligators, and snakes.
'Generally, cold-blooded animals respond to warming conditions by increasing growth rates,' he says.
Ann Ovenstone, of the International Tortoise Association, which is based in Sully, Vale of Glamorgan, said: "Terrapins are cold-blooded animals and they need heat, so it is a wonder they didn't freeze to death.
In the animal kingdom, what A is the name given to the class of cold-blooded animals that can live both on land and in the water?
The very active warm-blooded great white sharks have a higher metabolism rate than many other sharks that are cold-blooded animals. So, species phyletically far from the great white shark, such as the blue shark (Prionace glauca) and the sandbar shark (Carcharhinus plumbeus), are cold-blooded and eat 0.2 percent to 0.6 percent of their body weight per day.
To the Editor: Serovars of Salmonella, other than subspecies enterica, are primarily associated with cold-blooded animals and infrequently colonize the intestines of warm-blooded animals.
That is because snakes and other cold-blooded animals are limited in body size by the ambient temperature of where they live.
SIR David Attenborough (pictured) brings viewers the final chapter of his epic overview of life on earth, as he transforms perceptions of cold-blooded animals in this landmark series.