安裝中文字典英文字典辭典工具!
安裝中文字典英文字典辭典工具!
|
- Lancelet - Wikipedia
The term "amphioxus" is still used as a common name along with "lancelet", especially in the English language All extant lancelets are all placed in the family Branchiostomatidae, class Leptocardii, and subphylum Cephalochordata
- Lancelet - Shape, Examples, Characteristics, Anatomy, Classification
Lancelets, or amphioxi, are tiny, fish-like marine organisms that belong to the subphylum Cephalochordata, in the class Leptocardii They get their name ‘lancelets’ due to their slender, elongated body that tapers to a point at both ends, resembling the shape of a tiny sword or lance
- Introduction to the Cephalochordata
Known as lancelets or as amphioxus (from the Greek for "both [ends] pointed," in reference to their shape), cephalochordates are small, eel-like, unprepossessing animals that spend much of their time buried in sand
- Cephalochordate - Anatomy, Physiology, Evolution | Britannica
Various areas of the body surface, including some near the mouth, detect chemicals in the water and thereby aid in feeding Lancelets are suspension feeders that extract small particles suspended in the water The mouth is covered by an oral hood, the edges of which form the buccal cirri
- The Lancet | The best science for better lives
Explore the latest high-quality research from The Lancet Group
- What Are Lancelets and Why Are They Important?
Lancelets are suspension feeders, filtering small particles from the water They use cilia, hair-like structures, that line their pharyngeal slits and oral hood to create a water current This current draws water, along with small organisms and organic debris, into their mouth
- Lancelet | Encyclopedia. com
lancelet, name for small, fishlike lower chordate (see Chordata [1]), also called amphioxus; it shows many affinities with the vertebrates There are about 30 lancelet species, most belonging to the genus Brachiostoma (formerly Amphioxus)
- Lancelet - Alchetron, The Free Social Encyclopedia
The lancelets — also known as amphioxi (singular, amphioxus) — comprise some 32 species of fish-like marine chordates in the order Amphioxiformes, with a global distribution in shallow temperate (as far north as Scotland) and tropical seas, usually found half-buried in sand
|
|
|