NEET BIOLOGY

Detailed explanation-1: -Insects, arachnids, fish, reptiles, and amphibians are generally cold-blooded. These animals have a higher range of body temperatures than warm-blooded animals, but most move between environments to make themselves warmer or cooler.

Detailed explanation-2: -Animals that cannot generate internal heat are known as poikilotherms (poy-KIL-ah-therms), or cold-blooded animals. Insects, worms, fish, amphibians, and reptiles fall into this category-all creatures except mammals and birds.

Detailed explanation-3: -Amphibians and reptiles are together called herpetofauna, or “herps” for short. All herps are “cold-blooded, ” which means they lack an internal thermostat. Instead they must regulate body heat through their interactions with the environment.

Detailed explanation-4: -Most reptiles today are cold-blooded, meaning their body temperature is determined by how warm or cold their surroundings are.

Detailed explanation-5: -Not all fish are cold-blooded. In 2015, researchers with the NOAA Southwest Fisheries Science Center revealed the opah, or moonfish, as the first fully warm-blooded fish.