In which one of the following, the genus name, its two characters and its, class/phylum are correctly matched?

Genus name Two characters Class/phylum
1. Ascaris (a)
(b)
Body segmented
Males and females distinct
Annelida
2. Salamandra (a)
 
(b)
A tympanum represents
ear
Fertilization is external
Amphibia
3. Pteropus (a)
(b)
Skin possesses hair
Oviparous
Mammalia
4. Aurelia (a)
(b)
Cnidoblasts
Organ level of organization
Coelenterata
Subtopic:  Study of Amphibians |
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