oikopleura मीनिंग इन हिंदी

उदाहरण वाक्य

1. They are protandrous hermaphrodites, except for " Oikopleura dioica " which is gonochoric, and a larva resembles the tadpole larva of ascidians.
2. They make an important contribution to marine snow, since " Oikopleura " is abundant and is a very active filterer, using powerful strokes of its tail.
3. ""'Oikopleura cophocerca " "'is a species of small pelagic tunicate found in the surface waters of most of the world's oceans.
4. The nuclear genome of the appendicularian " Oikopleura dioica " appears to be one of the smallest among metazoans and this species has been used to study gene regulation and the evolution and development of chordates.
5. These houses are discarded and replaced regularly as the animal grows in size and the filters become clogged; in " Oikopleura ", a house is kept for no more than four hours before being replaced.
6. The recent development of techniques for expressing foreign genes in " Oikopleura dioica " has led to the advancement of this species as a model organism for the study of gene regulation, chordate evolution, and development.
7. Another study in Japan found that " Dolioletta gegenbauri ", along with " Oikopleura spp . ", increased greatly in number in times of algal blooms and played an important role as secondary producers.
8. "Oikopleura dioica " hox genes are distributed in nine locations around the genome whereas other chordates have a cluster of hox genes . [ Nature 2 Sept 2004 ] Of note, this is the first chordate among the eukaryotes found to have operons.
9. In adulthood its diet is no longer restricted to " Zanclea ", although observations of feeding behaviour are sparse . " Phylliroe " has been seen approaching a swarm of the larvacean " Oikopleura albicans " from below, grabbing a specimen with its paired denticulate jaws and swallowing it in half a minute.