Class 9
Chapter 7 Class 9 - Diversity In Living Organisms
  • Animals have wall-less eukaryotic cells,  multicellular, heterotrophic organisms.
  • Mode of nutrition is holozoic and they are either herbivores or carnivores.
  • Most animals are mobile i.e. they can move independently.
  • Most of the animals are bilaterally symmetrical, while primitive animals are asymmetrical and cnidarians and echinoderms are radially symmetrical.

They are further classified based on the extent and type of the body design:

Classification of kingdom Animilia:

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 13 years and a teacher from the past 17 years. He teaches Science, Economics, Accounting and English at Teachoo