Which of the following organisms possess an open-type circulatory system?

  • A
    Arthropoda
  • B
    Mollusca
  • C
    Annelida
  • D
    Both $A$ and $B$

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Similar Questions

How many of the following animals exhibit bilateral symmetry,are triploblastic,and possess a true coelom?
Sepia,Loligo,Sea anemone,Balanoglossus,Dentalium,Sea lily,Chiton,Pearl oyster,Starfish

In which of the following groups do all members exhibit a larval stage in their life cycle?

Give the names of the following:
$(a)$ $A$ limbless animal
$(b)$ $A$ cold-blooded animal
$(c)$ $A$ warm-blooded animal
$(d)$ An animal possessing dry and cornified skin
$(e)$ An animal having a canal system and spicules
$(f)$ An animal with cnidoblasts

Which of the following characteristics belongs to the Kingdom Animalia?

Give the characteristic features of the following,citing one example of each:
$(a)$ Chondrichthyes and Osteichthyes
$(b)$ Urochordata and Cephalochordata

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