Question:

Body temperature of cold blooded animals

Updated On: Jul 5, 2022
  • is constant
  • fluctuates with surrounding temperature
  • becomes very low at times
  • is very cold
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The Correct Option is B

Solution and Explanation

Body temperature of cold blooded animals fluctuates with surrounding temperature. Cold blooded animals do not have any temperature regulating mechanism or homeostasis. Thus their body temperature fluctuate with the environmental temperature. It is seen mostly in lower group of vertebrates. They make their own physiological mechanism (like hibernation/diapause) to get rid of the extremity of temperature.
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Concepts Used:

Animal Kingdom

Animals are eukaryotic, multicellular species that belong to the Kingdom Animalia. Every animal has a distinct characteristic. They get energy either by feeding on plants or on other animals. There are millions of species that have been recognized, few shares similar characteristics while others vary drastically.

Kingdom Animalia comprises all animals. In the midst of the five kingdoms, the largest kingdom is the animal kingdom. Animals are multicellular eukaryotes. Though, like plants, they do not possess chlorophyll or a cell wall. Therefore, members of the animal kingdom indicate a heterotrophic mode of nutrition. Kingdom Animalia is further classified into ten different subphyla based on their body designs or differentiations.

The different phyla of the Kingdom Animalia are as follows:

  1. Porifera
  2. Coelenterata (Cnidaria)
  3. Platyhelminthes
  4. Nematoda
  5. Annelida
  6. Arthropoda
  7. Mollusca
  8. Echinodermata
  9. Hemichordata
  10. Chordata

Read More: Classification of Animal Kingdom