9 янв. 2020 г. · Option (A) Trochophore. It is also called trochosphere, small, tree- swimming larva characteristic of marine annelids and most groups of mollusks. |
Trochophore larva. It is thought that annelids were originally animals with two separate sexes, which released ova and sperm into the water via their nephridia. Nereididae · Clitellata · Sipuncula · Pleistoannelida |
Trochophore larva is a small, translucent, free-swimming larva characteristic of marine annelids and most groups of mollusks. Trochophores are spherical or ... |
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