These animals are oviparous or ovoviviparous and exhibit internal fertilization.

Which of the following are correctly matched with respect to their taxonomic classification?

Find out the incorrect match in the following options.

$A$: Annelids and Arthropods exhibit bilateral symmetry.
$R$: In Annelids and Arthropods,the body can be divided into identical halves through any plane passing through the central axis.

Annelida and Mollusca resemble in many embryonic features because both have

Which of the following is a common trait among fishes,amphibians,and reptiles?