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Class 9
Chapter 7 Class 9 - Diversity In Living Organisms
  • Animals are also bilaterally symmetrical and triploblastic.
  • They exhibit organ system level organization.
  • Their body contains haemoglobin , which gives them a red colour.
  • Most of the Annelids are hermaphrodite, i.e., male and female organs are present in the same body. 
  • These animals are found in a variety of habitats– fresh water, marine water as well as land.

For Example: Earthworms, leeches, Nereis

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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