WebA trochophore is a free-swimming larva characterized by two bands of cilia surrounding a top-like body. Some of the phyla classified as Lophotrochozoa may be missing one or both of these defining structures. Nevertheless their placement with the Lophotrochozoa is upheld when ribosomal RNA and other gene sequences are compared. WebThe trochophore larva of Polychaeta resembles Muller’s larva in having ciliary bands and apical tuft of cilia and ventral mouth. Since cydippid larva of ctenophore, Muller’s larva of polyclads and trochophore larva of polychaetes all resemble one another in structure and ciliary band, this theory considers larvae of acoelomate bilateria ...
Polychaetes have evolved feeding larvae numerous times
WebTrochophore the free-swimming larva of some annelid worms (polychaetes), echiuroids, sipunculids, and some mol-lusks. The microscopic body is fringed by one or more bands of cilia that facilitate locomotion in water. A preoral band or proto-troch is highly characteristic of the organism. WebMar 8, 2024 · Hint: Trochophore larva is a small, ciliated, unsegmented and pear-shaped creature. They are planktotrophic animals. They are found in marine environments. They move in a wheel like movement with the help of cilia. This larva is a characteristic of many protostomes groups of animals and exists as a larval form within the trochozoa clade. dishwasher at lowest price
Animal development - The larval phase and metamorphosis
Webtrochophore, also called trochosphere, small, translucent, free-swimming larva characteristic of marine annelids and most groups of mollusks. Trochophores are spherical or pear-shaped and are girdled by a ring of cilia (minute hairlike structures), the prototroch, that … WebTrochophore. The classic trochophore – a larval form shared with some other lophotrochozoans (e.g., molluscs) – is a top-shaped free-swimmer that moves through … WebJul 6, 2024 · Trochophore larva is the larva found in mollusca and annelids. What is the life cycle of a mollusk? Like many invertebrates, the mollusk life cycle includes one or more juvenile or larval stages that are very different from the adult form of the animal. Both mollusks and annelids develop through a larval stage called a trochophore larva. covid testing modbury sa