Flatworms and roundworms are respectively called ........

How many of the following characteristics are common to both Amphibians and Reptiles?
$a$ - Type of fertilization
$b$ - Cold-blooded (Poikilothermic)
$c$ - Development
$d$ - Oviparous
$e$ - Coelomate
$f$ - Bilateral symmetry

Which one of the following statements regarding the given animals is correct?

Which of the following statements is not correct?

Consider the following features:
$(a)$ Organ system level of organisation
$(b)$ Bilateral symmetry
$(c)$ True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics.

Which of the following is an incorrect pair regarding the classification of organisms?