Question:

Common character at all vertebrates without exception is

Updated On: Mar 20, 2024
  • body divided into head, trunk and tail
  • two pairs of limbs
  • exoskeleton
  • the presence of skull
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The Correct Option is D

Solution and Explanation

All vertebrates without any exception have skull which protects the brain. Well-developed internal skeleton of cartilage and bone, separated into axial skeleton (skull vertebral, ribs, sterum) and appendicular skeleton (girdles and appendage)
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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