Word: Cephalochordata
Definition: The term "cephalochordata" refers to a group of small, fish-like animals known as lancelets. These creatures are part of the animal kingdom and are characterized by their simple body structure, which includes a notochord (a flexible rod-like structure) that runs along their back. They are considered important in the study of the evolution of more complex animals, including vertebrates (animals with backbones).
Usage Instructions:
Part of Speech: Noun
Plural Form: Cephalochordates
Example Sentence: "Lancelets, which belong to the cephalochordata group, can be found in shallow coastal waters."
Advanced Usage:
In scientific contexts, particularly in biology and zoology, you might encounter "cephalochordata" when discussing evolutionary relationships among different animal groups.
Example: "Cephalochordata provides insight into the early development of vertebrates, as their anatomy shares key similarities."
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Related Terms:
Chordata: The broader phylum that includes all animals with a notochord, which encompasses cephalochordates, vertebrates, and others.
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Summary:
"Cephalochordata" is a noun that refers to a group of simple, fish-like animals known as lancelets. They are important for understanding the evolution of more complex animals.