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.
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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