Select the correct option for the circulatory system.

  • A
    Open circulatory system - Arthropoda,Annelida; Closed circulatory system - Mollusca,Chordata
  • B
    Open circulatory system - Mollusca,Chordata; Closed circulatory system - Arthropoda,Annelida
  • C
    Open circulatory system - Arthropoda,Mollusca; Closed circulatory system - Annelida,Chordata
  • D
    Open circulatory system - Annelida,Chordata; Closed circulatory system - Arthropoda,Mollusca

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Similar Questions

Identify the mismatched pair regarding the endoskeleton of animals.

Given are the four matches of phyla with their characteristic cells:
$A$. Coelenterata - Nematocytes
$B$. Porifera - Choanocytes
$C$. Ctenophora - Solenocytes
$D$. Platyhelminthes - Nephrocytes
Mark the option that has both correct matches.

Which of the following is a correct group?

Assertion $A$: Fishes possess gills,fins,and scales.
Reason $R$: Fishes are a form of taxon.
Which option is correct for Assertion $A$ and Reason $R$?

$A.$ Animals are multicellular organisms composed of eukaryotic cells.
$R.$ Sponges do not perform photosynthesis and obtain nutrition by absorption.

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