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What is amphioxus?

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Anonymous

14y ago
Updated: 7/14/2023

An amphioxus is a lancelet, particularly of the genus Branchiostoma.

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Cedrick Olson

Lvl 10
1y ago

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Related Questions

What is the phylum of Amphioxus?

Cephalochordata


What is an amphioxus?

An amphioxus is a lancelet, particularly of the genus Branchiostoma.


What is mechanism of feeding on amphioxus larva?

Amphioxus has a wheel organ which creates a current. This current carries water into the mouth, where food is trapped in the pharynx by cilia and mucus. Excess water is filtered through the pharyngeal slits to the atrium and out the atriopore.


What region in the body of the amphioxus does he whole body of pandocia correspond?

The whole body of Pandocia corresponds to the trunk region of the amphioxus. This region encompasses the main body segment, which is responsible for locomotion and contains the essential organs. Pandocia, being a genus of extinct jawless fish, shares this anatomical organization, reflecting the evolutionary relationships between these organisms.


What are non-vertebrate chordates?

Cephalochordates e.g. Amphioxus ,; tunicates , acorn worms etc. are nonvertebrate chordates , they are collctively called protochordates .


How the classification phylum Chordata is organized into subphylums?

There are three surviving subphylums of Chordata. The first, which branches off earliest, is called Urochordata and contains tunicates. The other two branches fork later, and are the Cephalochordata (amphioxus/lancelets) and Craniata (all vertebrates).


What are the examples of protochordata?

Examples of protochordata are Balanoglossus,Herdmania and Amphioxus.


Why isnt a lancelet a vertebrate?

The lancelets, also known as amphioxus, are a group of 32 species of marine creatures in shallow waters. Despite giving good insight into the origination of vertebrate life, they are not themselves vertebrates, because their 'spine' is not a true spine.


What chordate characteristics are present in lancelets?

Lancelets, also known as amphioxus, are chordates that exhibit characteristics such as a notochord, dorsal hollow nerve cord, pharyngeal slits, and a post-anal tail. These features are present at some stage in their life cycle, distinguishing them as chordates.


Are there any science words starting with the letter a?

alkali anthropoid adrenaline ataxia agoraphobia autistic amber astatine argon amphetamine amphioxus alabaster axolotl antihistamine antibiotic alanine aniline anus anal americium antimony aluminum argon arsenic arsene actinium


What has the author J E Webb written?

J. E. Webb has written: 'The erosion of Victoria Beach' -- subject(s): Beach erosion, Shore protection 'Cephalochordata' -- subject(s): Amphioxus, Marine animals 'Guide to invertebrate animals' -- subject(s): Animals, Classification, Invertebrates


What is protochordata?

1 . The animals are bilaterallysymmetrical , triploblastic and have coelem .2 . They have a notochord , at least some stages during their lives . The notochord run along the back of the animal separating the nervous tissue from the gut . It provides support and a place for muscles to attach .3 . Protochordates are marine animals . Examples are Balanglossus , Herdemania , Amphioxus , etc