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!
|
- Ctenophora - Wikipedia
Ctenophores are the largest animals to swim with cilia, with adult ctenophores range from a few millimeters to 1 5 m (5 ft) in size depending on the species Their bodies consist of a mass of jelly (mesoglea) with a two cells-thick layer on the outside, and another lining the internal cavity
- Ctenophore | Types, Characteristics Adaptations | Britannica
Ctenophores are hermaphroditic; eggs and sperm (gametes) are produced in separate gonads along the meridional canals that house the comb rows In most ctenophores, these gametes are released into the water, where fertilization and embryonic development take place
- Introduction to the Ctenophora
Many ctenophores have two long tentacles, but some lack tentacles completely Ctenophores, variously known as comb jellies, sea gooseberries, sea walnuts, or Venus's girdles, are voracious predators Unlike cnidarians, with which they share several superficial similarities, they lack stinging cells
- Ctenophore: Characteristics, Life, and Ecological Role
Beneath the ocean’s surface, ctenophores are gelatinous invertebrates known for their shimmering, comb-like structures Often called “comb jellies,” they are frequently mistaken for jellyfish but belong to a distinct and ancient lineage of marine life
- Creature feature: Ctenophores - Woods Hole Oceanographic Institution
In images, ctenophore combs sometimes appear rainbow-colored, but this prism effect is actually the product of light refraction rather than bioluminescence Despite their clear, jelly-like appearance and simple nervous system, ctenophores are not related to jellyfish
- Ctenophora (comb jellies) | INFORMATION | Animal Diversity Web - ADW
Phylum Ctenophora , commonly known as comb jellies, includes 7 orders, with over 200 currently known species of biradially symmetrical, acoelomate organisms that resemble cnidarians
- Ctenophores - What They Are, Characteristics and Examples
Ctenophores, commonly known as comb jellies, are marine organisms characterized by their gelatinous bodies and planktonic lifestyle Their name, derived from the Greek word ktenos, meaning "comb bearer," reflects the eight rows of cilia, or "ctenes," that they possess
- Ctenophore - New World Encyclopedia
Ctenophores (phylum Ctenophora), also known as comb jellies, are marine invertebrates that have eight rows of comb-like cilia on their transparent, gelatinous bodies
|
|
|