NEET BIOLOGY

Detailed explanation-1: -Most reptiles and amphibians (as well as most fish and invertebrates) are examples of ectothermic animals. First off, the origin of the word. Ecto means “outer” or “outside” and therm means “heat.” Therefore, ectothermic animals are those that rely on the environment to maintain body temperature.

Detailed explanation-2: -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.

Detailed explanation-3: -cold-bloodedness, also called Poikilothermy, Ectothermy, or Heterothermy, the state of having a variable body temperature that is usually only slightly higher than the environmental temperature.

Detailed explanation-4: -An ectothermic animal, also commonly known as a “cold-blooded” animal, is one who cannot regulate its own body temperature, so its body temperature fluctuates according to its surroundings. The term ectotherm comes from the Greek ektos, meaning outside, and thermos, which means heat.

Detailed explanation-5: -(ˌɛktəʊˈɜːmɪk ) adjective. zoology. (of all animals except birds and mammals) having a body temperature that varies with the temperature of the surroundings.