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Cold Blooded and Warm Blooded

Let us know about the terms cold blooded and warm blooded before knowing the difference between these two categories. Cold Blooded and Warm Blooded

Examples include reptiles and fish.

Examples include birds and mammals including humans. Cold Blooded and Warm Blooded Animals A popular term associated with cold blooded and warm blooded animals is thermoregulation. Thermoregulation is an organism’s ability to keep its body temperature within certain boundaries, even when they have to face different temperatures in varied surroundings. Thermoregulation is divided into different types including Endothermic (homeothermic or warm-blooded) or Ectothermic (poikilothermic or cold-blooded).

Animals like fish, amphibians, most invertebrates and reptiles are ectothermic poikilotherms  since they get heat from the environment and let their body temperature fluctuate. [Image will be Uploaded Soon] The differences between warm and cold blooded animals can be clearly understood with the following tabular representations.

Here is the difference between warm blooded and cold blooded animals explained for you. Cold blooded animals are those animals that cannot regulate their body temperature and their temperature keeps changing according to their environment. Some of the examples of cold blooded animals include fish, reptiles and insects. Warm blooded animals are the animals that have a constant body temperature and can easily adapt to extreme temperatures as they can regulate their body temperature. Examples of warm blooded animals include birds and mammals including human beings.

Endothermic is another name for warm blooded animals that can regulate their internal body temperature as they make their own heat and don’t depend upon the environment for regulation.

Exothermic is another name for cold blooded animals who cannot regulate their body temperature by their own and depend upon the environment. Their body temperatures are exactly the same as that of their environment.

Cold blooded animals like fish and lizards depend upon the environment to regulate their internal body temperature. If it’s sunny outside, lizards often come out and take sunbathes to keep themselves warm. And they are cold if the temperature is cold outside. Therefore, they cannot stand extreme temperatures outside and it is difficult for them to survive in such conditions.

Warm blooded animals like humans and birds regulate their own body temperature that remains constant irrespective of the outside environmental temperature.

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Keep its body temperature the same no matter what the outside temperature is, ir.e. They can maintain a constant body temperature.

Their internal body temperature gets hotter or colder based on the temperature outside. So, they cannot maintain constant body temperature.

Reptiles, insects, and fish (amphibians)

They obtain energy from food consumption.

They obtain energy from the surrounding environment.

Fat is pretty important for mammals or hot blooded animals as it helps animals like seals and whales to keep warm in the freezing oceans.

Here, more fat causes overheating of the bodies that may also result in death.

The constant heat of the bodies provide a perfect incubator for germs and are prone to get sick or infections.

Cold blooded animals do not cultivate the germs easily thus preventing infections. However, if the bodies are cold for too long they will be unable to fight off infections and disease.

Endothermic creatures can live anywhere at ease usually by adding/removing extra layers of clothing in cold temperatures. Humans can even survive the coldest temperatures of Antarctica.

It’s not the case in cold blooded animals as they cannot regulate the body temperature according to the environment.

Most of this category of animals maintain a body temperature of around 37 degrees Celsius.

A cold-blooded creature has exactly the same body temperature as its environment.

Brains get activated for mammals with the intake of food that produces heat and energy. And they adjust by sweating, shedding or panting when the temperature is hot outside.

Cold blooded creatures like lizards are lazy and only come out in the sun for heat to get their brains to work properly.

They don’t change their metabolic rate with the environmental changes.

They change metabolic rates with changes in the environment.

They easily adapt to any temperatures outside.

It’s difficult for them to survive in extreme temperature conditions.