| gastrotricha | <zoology> A group of small wormlike animals, having cilia on the ventral side. The group is regarded as an ancestral or synthetic one, related to rotifers and annelids. Origin: NL, fr. Gr. Belly +, hair. Source: Websters Dictionary (01 Mar 1998) |
|---|
| Gastrotricha |
The gastrotrichs (from Greek gaster "stomach" and thrix "hair") are a phylum of microscopic animals, found in fresh water and marine environments. They are bilaterally symmetric, with a complete gut. The body is covered with cilia, especially about the mouth, and has two terminal projections that serve as adhesive tubes. Like many microscopic animals, their locomotion is primarily powered by hydrostatics, and they reproduce entirely by parthenogenesis. ...
Ãâó: en.wikipedia.org/wiki/Gastrotricha
|
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|
Á¦Ç°¸í |
ÆÇ¸Å»ç |
º¸ÇèÄÚµå | ¼ººÐ/ÇÔ·® | ±¸ºÐ/º¸Çè±Þ¿© |
|---|