Which of the following statements is correct?

Which one of the following species correctly matches its two characteristics and phylum/class?

Species	Two Characteristics	Phylum/Class
$A$. Ascaris	$i$. Body segmented,$ii$. Males and females distinct	Annelida
$B$. Salamandra	$i$. Tympanum represents ear,$ii$. External fertilization	Amphibia
$C$. Pteropus	$i$. Skin possesses hair,$ii$. Oviparous	Mammalia
$D$. Obelia	$i$. Cnidoblasts,$ii$. Organ-level organization	Coelenterata

Find the odd one out.

Fill in the blanks marked in the classification table of $Vertebrata$ from the choices provided below with respect to $A, B, C, D, E$ and $F$ and choose the correct option:
$I$. Pisces
$II$. Osteichthyes
$III$. Agnatha
$IV$. Gnathostomata
$V$. Chondrichthyes
$VI$. Cyclostomata
$A - B - C - D - E - F$

Closed circulatory system is present in

Which of the following snakes is not poisonous?