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11y ago
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5mo ago

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.

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Q: Do lancelets have a backbone
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What some chordates such as sea squirts and lancelets do not have?

Chordates such as the sea squirts and lancelets do not have a backbone that is why they are called vertebrate chordates.


How are invertebrate chordates such as lancelets different from vertebrates such as fish and mammals?

They don't have a backbone


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.


Do tunicates and lanceletes have back bones?

No, tunicates and lancelets do not have backbones. They are invertebrates, meaning they do not possess a true backbone or vertebral column. Instead, they are part of the phylum Chordata, which includes vertebrates but also some simpler, spineless animals.


What are some examples of non vertebrate chorodates?

Non-vertebrate chordates are those animals that have a notochord but no true backbone. There are two groups known as the tunicates and lancelets. Tunicates include sea squirts and salps. Lancelets are a group of burrowing filter feeders that live on the ocean floor.


Is phylum Chordata represents vertebrate animals exclusively?

No, the phylum Chordata includes both vertebrate and invertebrate animals. Vertebrates are a subphylum within Chordata and have a backbone or spinal column, whereas invertebrate chordates, like tunicates and lancelets, lack a backbone.


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.


Are lancelets ectotherms?

Yes. Lancelets are fish and all fish are ectothermic.


What is is the difference between tunicates and lancelets?

Tunicates and lancelets are invertebrates, while the other chordates are vertebrates.During their embryonic stage they have a flexible cord that supports their bodies which disappears in the adult stage. Some of these develop bones surrounding the cord in the adult stage rather than have it disappear.


What Tunicates and lancelets are two subphyla of animals classified as what?

chordates


Is a Bottlenose dolphin a vertebrate?

Yes. All animals which have a spine, or backbone, are classified in the phylum Chordata. There are three subphylums in Chordata: Urochordata (tunicates), Cephalachordata (lancelets), and Vertebrata (vertebrates). Dolphins belong to the phylum Chordata because they are vertebrates.


Are lancelets filter feeders?

yes