Choose the correct combination:

  • A
    $Annelida$ and $Porifera$ are Phyla.
  • B
    $Oligochaeta$ and $Arthropoda$ are Phyla.
  • C
    $Mollusca$ and $Hydrozoa$ are Classes.
  • D
    $Aves$ and $Chordata$ are Classes.

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Similar Questions

Mark the correct answer regarding the given diagram:

Mesoglea is

What is it called when any plane passing through the central axis of the body divides the organism into more than two identical halves?

The following diagram represents which type of symmetry?

Match the following columns:
Column-$I$Column-$II$
$P$. Asymmetry$I$. Coelenterates,Ctenophores,Echinoderms
$Q$. Radial symmetry$II$. Poriferans
$R$. Bilateral symmetry$III$. Annelids,Arthropods,Chordates

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