Phylum Ctenophora comb jellies
Transcription
Phylum Ctenophora comb jellies
Phylum Ctenophora comb jellies Comb jellies • Like Cnidarans, they have a gelatinous body with a similar medusa body plan • In fact, they were once grouped with the jelly fish in Phylum Coelenterata. • However, they have a few major differences… Characteristics The body of a comb jelly is divided into 8 equal sections. Each section is separated by bands of hair-like cilia called comb rows. Tentacles Most do not sting Tentacles are covered in sticky mucus Reproduction Hermaphroditic (both male and female gametes) External fertilization Glow in the Dark Feature • Can be bioluminescent Examples ► Sea Gooseberry, (Pleurobrachia sp.) More examples… Common Southern Comb jelly (Mnemiopsis sp.) One more example Boroe’s comb jelly (Beroe sp. ) Who is eating who? Beroe eating Southern Comb jelly? OR Southern Comb jelly eating Boroe? The End