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Simple vertebrates include rays and sharks, fish and amphibians.

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Are mice vertebrates?

Yes. All mammals are vertebrates (have a backbone, or spinal column).


What are the two major groups of animal classification?

The two major groups of animal classification are vertebrates and invertebrates. Vertebrates have a backbone or spine, while invertebrates do not. Examples of vertebrates include mammals, birds, reptiles, amphibians, and fish, while invertebrates include insects, arachnids, mollusks, and annelids.


What phylum is most closely related phylogenetically to first vertebrates?

The phylum Chordata is most closely related phylogenetically to the first vertebrates. Chordates share a number of characteristics with vertebrates, such as having a notochord, dorsal nerve cord, and pharyngeal slits. Cells within the notochord further develop into the vertebrae that define vertebrates.


How many of the 29 phyla include vertebrates?

There are 29 phyla in the kingdom Animalia. Only 3 percent of organisms in this kingdom are vertebrates. they are found in one phylum, called Chordata.


Combinations of phylum and description that are incorrect?

Phylum Arthropoda - plants: Arthropods are a diverse group of invertebrates that include insects, spiders, and crustaceans, but they are not plants. Phylum Chordata - fungi: Chordates are animals that possess a notochord at some stage in their development, and fungi belong to a separate kingdom entirely. Phylum Porifera - vertebrates: Poriferans, or sponges, are simple multicellular animals that lack tissues and organs, and are not vertebrates.