Question:

Largest phylum in terms of number of members is

Updated On: Aug 15, 2022
  • protozoa
  • arthropoda
  • chordata
  • porifera
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The Correct Option is B

Solution and Explanation

Arthropoda is the largest phylum in animal kingdom in terms of both number of taxa and biomass. These are bilaterally symmetrical and metamerically segmented coelomates, with appendages on some or all segments. A chitinous cuticle provides the exoskeleton, flexible to provide joints. Haemocoel is the main body cavity. They lack true nephridia and cilia.
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Notes on Kingdom Animalia

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