GENERAL KNOWLEDGE

Detailed explanation-1: -Ectotherms depend mainly on external heat sources, and their body temperature changes with the temperature of the environment.

Detailed explanation-2: -Cold-blooded actually means the animal’s body temperature is basically the same as its surroundings. A fish swimming in 40° F water will have a body temperature very near 40° F. The same fish in 60° F water will have a body temperature near 60° F.

Detailed explanation-3: -Ectotherm/Ectothermic. A cold-blooded animal; that is, an animal whose body temperature varies with the temperature of its surroundings. Ectotherms cannot produce their own body heat./To be an ectotherm.

Detailed explanation-4: -ectotherm: An animal that relies on external environment to regulate its internal body temperature. endotherm: An animal that regulates its own internal body temperature through metabolic processes. homeotherm: An animal that maintains a constant internal body temperature, usually within a narrow range of temperatures.