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(d) all of the above
(a) nephridia
(b) Annelida
(b) Scoliodon
(c) Porifera
Respiration in arthropods occurs through
(d) all of the above
(d) all of the above
See lessThe excretory organs of Annelida are
(a) nephridia
(a) nephridia
See lessMetamerism is characteristic feature of
(b) Annelida
(b) Annelida
See lessPlacoid scales are present in
(b) Scoliodon
(b) Scoliodon
See lessCanal system is present in phylum
(c) Porifera
(c) Porifera
See less