Identify the animal and plant groups having:
$(a)$ Animals without tissues,body bearing pores.
$(b)$ Plant body differentiated into roots,stems and leaves but do not produce seeds.
$(c)$ Body dorsoventrally flattened without coelom.
$(d)$ Segmented worms with true body cavity with extensive organ differentiation.

  • A
    Porifera,Pteridophyta,Platyhelminthes,Annelida
  • B
    Cnidaria,Bryophyta,Nematoda,Arthropoda
  • C
    Ctenophora,Thallophyta,Annelida,Mollusca
  • D
    Echinodermata,Gymnosperms,Platyhelminthes,Chordata

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