placozoan
扁盘动物
词形变化
placozoans
复数
placozoans
别名
placazoan
plocozoan
释义与例句
n.
-
1.
Any of a group of balloon-shaped marine organisms, of the phylum Placozoa, considered to be the simplest living animals.
生物 动物学2010, Vicki Buchsbaum Pearse, Oliver Voigt, 12: Field Biology of Placozoans (Trichoplax), Rob Desalle, Bernd Schierwater (editors), Key Transitions in Animal Evolution, Taylor & Francis (CRC Press), Science Publishers, page 273, Similarly, at Madang, Papua New Guinea, a small rhabdocoel flatworm crawling on a slide among placozoans was observed contacting a placozoan, recoiling vigorously, and changing its direction of movement only to encounter another placozoan and repeat this behavior several times.
词源
Placozoa + -an; compare protozoan, protozoon.
来源:wiktionary