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Jun 9, 2023 · What Are Cold-Blooded Animals? Animals are classified into two groups based on their energy source: cold-blooded and warm-blooded. The former, also known as ectothermic or poikilothermic animals, lack the ability to regulate their internal temperatures, causing it to fluctuate with their surroundings.
1. Turtles and Tortoises. Scientific Family: Testudines. Turtles and tortoises are a large group of reptiles that go back hundreds of millions of years. This group includes over 350 species found on land, as well as in both fresh and salt water. They range in size and appearance, but they are all cold-blooded.
ectotherm, any so-called cold-blooded animal —that is, any animal whose regulation of body temperature depends on external sources, such as sunlight or a heated rock surface. The ectotherms include the fishes, amphibians, reptiles, and invertebrates.
Cold-bloodedness, the state of having a variable body temperature that is usually only slightly higher than the environmental temperature. This state distinguishes fishes, amphibians, reptiles, and invertebrate animals from warm-blooded, or homoiothermic, animals (birds and mammals).
An ectotherm (from the Greek ἐκτός ( ektós) "outside" and θερμός ( thermós) "heat"), more commonly referred to as a " cold-blooded animal ", [1] is an animal in which internal physiological sources of heat are of relatively small or of quite negligible importance in controlling body temperature. [2] .
Mar 5, 2024 · Definition. Ectothermic animals or cold-blooded animals rely on external sources of heat to regulate their body temperature. Their internal physiological sources of heat are relatively minimal or insignificant in controlling their body temperature. Word Origin.
Apr 15, 2023 · 1. Shark. Most sharks are cold-blooded creatures, and their body temperature will match the water. The term cold-blooded can be misleading since some sharks live in warmer water. Sharks have a complicated vascular network throughout the body. The system can carry oxygen throughout the body.
