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A vertebrate is any chordate that has a?
A vertebrate is any chordate that has a backbone or spinal column, which provides support and protects the spinal cord. This distinguishing feature sets vertebrates apart from other chordates like tunicates and lancelets.
Do lancelets have a backbone?
No, lancelets do not have a backbone. They are small, fish-like marine invertebrates that belong to the subphylum Cephalochordata and possess a notochord instead of a true backbone.
Do lancelets have pharyngeal pouches?
Yes, lancelets do have pharyngeal pouches. These pouches are openings in the pharynx that are important for filter feeding and gas exchange in these small marine animals.
What are the characteristics of nonvertebrate chordate?
Chordates are the organisms that have a rod like cartilagenous structure called notochord which gives rise to nervous system. These have pharyngeal gill slits. Nonchordates are the organisms that do not have a notochord. These do not have pharyngeal gill slits.
Which part of the water do lancelets inhabit?
Lancelets are marine animals commonly found in sandy or muddy seabeds along the shallow coastal waters of tropical and temperate seas. They burrow into the sediment, often near coral reefs or seagrass beds.
Why are sea squirts and lancelets referred to as invertebrate chordates?
They don't have a backbone and have all the characteristics of a chordate.
What is the oldest chordate?
The oldest chordate is believed to be Haikouichthys, which lived around 530 million years ago during the Cambrian period. It had a primitive notochord but lacked true vertebral elements.
A vertebrate is any chordate that has a?
A vertebrate is any chordate that has a backbone or spinal column, which provides support and protects the spinal cord. This distinguishing feature sets vertebrates apart from other chordates like tunicates and lancelets.
What classifications are tunicates and lanceletes?
Tunicates and lancelets represent the two groups of jawless fish. All other species of jawless fish have gone extinct.
List and Describe an examples of invertebrate chordata.?
One example of an invertebrate chordate is the lancelet (Branchiostoma). Lancelets are small, fish-like marine organisms that possess a notochord, a dorsal nerve cord, and pharyngeal slits. They lack a true vertebral column but exhibit key characteristics of chordates.
How does the zebra exhibit chordate these characteristics?
They try really Hard if you know wat i mean
Are lancelets ectotherms?
Yes. Lancelets are fish and all fish are ectothermic.
Which subphylum retains all chordate characteristics even in the adult forms?
The subphylum Vertebrata retains all chordate characteristics even in the adult forms. Vertebrates possess a notochord, dorsal nerve cord, post-anal tail, and pharyngeal slits or pouches throughout their lives.
What trait identifies a chordate?
chordate phylum
Which feature differentiates a chordate's tail from that of a non-chordate?
that
What Tunicates and lancelets are two subphyla of animals classified as what?
chordates
How do you tell if something is chordate?
Being 'chordate' means that the animal has a backbone.
