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The phylum Chordata is defined by four characteristic traits: Pharyngeal gill slits, a notochord, a dorsal hollow nerve cord, and a muscular post-anal tail.
There are three subphyla of Chordates: Urochordata, Cephalochordata, and Vertebrates.
So it depends on what species you are dealing with if you are looking at specifics. But a spine is not a characteristic of all chordates.
What else can I help you with?
Organisms that do not have a backbone are called?
invertebrates
Are protozoans invertebrates?
Yes, protozoans are invertebrates because they do not possess a backbone or spinal column. They are single-celled organisms that belong to the kingdom Protista.
The two major groupings within the animal kingdom are?
The two major groupings within the animal kingdom are invertebrates (animals without a backbone) and vertebrates (animals with a backbone). Invertebrates make up the majority of animal species and include insects, worms, and mollusks, while vertebrates include mammals, birds, reptiles, amphibians, and fish.
An invertebrate has no what?
An invertebrate has no backbone. This differentiates them from vertebrates, which do have a backbone or spinal column. Invertebrates make up the vast majority of animal species on Earth.
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.
Are mollusks vertebrate?
Mollusks are invertebrates because they do not have a backbone.
Do invertebrates musclesattach to the backbone?
Invertebrates have no backbone, muscles are attached to outer shell.
Are mosquitoes invertebrates?
Yes, mosquitoes are invertebrates as they have no backbone.
Does heartworm have a backbone?
No, heartworms are invertebrates and have no backbone.
Are spiders vertebrates?
No, Spiders are invertebrates.
Are squid invertebrates or vertebrates?
Squid are invertebrates; they have no spine.
How do you clasifiy invertebrates?
well classifying invertebrates is rather simple just find out if they have a backbone or not cause vertebrates have a backbone while invertebrates don't
Animals that have no backbone?
invertebrates
What are the features of invertebrates?
no backbone
Does a silverfish have a backbone?
No. They are invertebrates.
Are lady bugs vertebrates or invertebrates?
Ladybugs an invertebrates they have no backbone
Are sponges invertebrates or vertebrates?
Yes. Any animal without a backbone is an invertebrate. A sponge is a invertebrate because it has no backbone.
