Yes, polychaetes have setae. They also have paired lateral appendages called parapodia with setae. Further reading: Coelom Are Flatworms... View Article
Yes, earthworms have setae on each segment. They help in locomotion. Further reading: Coelom Are Flatworms Coelomate? Difference Between... View Article
Earthworms are hermaphrodites and reproduce sexually. Further reading: Coelom Are Flatworms Coelomate? Difference Between Oviparous And... View Article
The largest class of annelids is Polychaeta. The other main classes are Oligochaeta and Hirudinea. Further reading: Coelom Are Flatworms... View Article
Parapodia are locomotory organs and help in swimming and nephridia are excretory organs that help in osmoregulation and excretion. Further... View Article
Earthworms lack parapodia. Further reading: Coelom Are Flatworms Coelomate? Difference Between Oviparous And Viviparous Animals MCQs On... View Article
No, not all bilaterally symmetrical organisms are not coelomates, e.g. flatworms are bilaterally symmetrical but acoelomates and roundworms are... View Article
Bilateral symmetry is defined as body symmetry where the body can be divided into two identical halves in only one plane. Further reading:... View Article
The three embryonic layers in flatworms are ectoderm, mesoderm and endoderm. Also Check: Do Flatworms Have A Closed Circulatory System?... View Article
Radial symmetry is defined as symmetry where the body can be divided into two equal halves in any plane passing through the centre of the axis.... View Article
Yes, bone marrow is mesodermal in origin. Also Check: Why Is A Single Ovum Produced By Oogenesis? Which Hormone Triggers Spermatogenesis?... View Article
Kidneys are derived from mesoderm. Also Check: Why Is A Single Ovum Produced By Oogenesis? Which Hormone Triggers Spermatogenesis? Which... View Article
No, Hydra does not show metagenesis. Further reading: Coelom Are Flatworms Coelomate? Difference Between Oviparous And Viviparous Animals... View Article
