no,we still have 40,000 species of polychaetes
Phylum: Annelida
On Plato the answer is (D)
Parapodia in polychaetes serve as both respiratory structures and locomotory appendages. They increase surface area for gas exchange and help in swimming, crawling, and digging through the substrate, facilitating the active lifestyle of polychaetes.
leeches are sthnakes.
Prostomium
motorbike is best
Sea worms (polychaetes)
J. D. George has written: 'Polychaetes: British amphinomida, spintherida & eunicida' -- subject(s): Eunicidae, Amphinomida, Polychaeta 'Polychaetes' -- subject(s): Polychaeta
playing
Pavel Vladimirovich Ushakov has written: 'Mnogoshchetinkovye chervi Polychaeta' -- subject(s): Bibliography, Polychaeta 'Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific: Families Phyllodocidae, Alciopidae, Tomopteridae, ... of the U.S.S.R' 'Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific. (Families Phyllodocidae, Alciopidae, Tomopteridae, Typhloscoleoidae, and Lacydoniidae)' -- subject(s): Polychaeta, Annelida 'Polychaetes' -- subject(s): Polychaeta 'Polychaetes of the suborder Phyllodociformia of the Polar Basin and the northwestern part of the Pacific'
earthworms, polychaete worms, and leeches.
Lecches lost their internal metamery, while polychaetes not.