Achordata

Pronunciation: /eɪkɔrˈdeɪtə/

Definitions of achordata

noun a taxonomic phylum of marine animals that includes the invertebrate subphyla Tunicata and Cephalochordata

Example Sentences

A1 An achordata is a type of animal that lacks a backbone.

A2 A jellyfish is an example of an achordata.

B1 Achordata are marine animals that belong to the phylum Cnidaria.

B2 Some scientists believe that achordata may have evolved from simpler organisms.

C1 The classification of achordata within the animal kingdom is still debated among researchers.

C2 Research on achordata has led to new insights into the evolution of early marine life forms.

Examples of achordata in a Sentence

formal Achordata is a subphylum of animals that includes organisms like tunicates and lancelets.

informal I learned about achordata in my biology class, they are really interesting creatures.

slang Those achordata critters are pretty cool, huh?

figurative The achordata group is like the hidden gems of the animal kingdom, often overlooked but truly fascinating.

Grammatical Forms of achordata

• past tense: achordated
• plural: achordatas
• comparative: more achordata
• superlative: most achordata
• present tense: achordates
• future tense: will achordata
• perfect tense: have achordata
• continuous tense: is achordating
• singular: achordata
• positive degree: achordata
• infinitive: to achordata
• gerund: achordating
• participle: achordated

Origin and Evolution of achordata

First Known Use: 1836 year

Language of Origin: Greek

Story behind the word: The word 'achordata' originates from the Greek words 'a-' meaning without, and 'chordata' referring to the phylum of animals with a notochord.

Evolution of the word: The term 'achordata' was first used in 1836 by British zoologist Edward Forbes to describe a group of animals that lack a notochord, distinguishing them from chordates. Over time, the classification of these animals has evolved, and the term 'achordata' is now rarely used in modern taxonomy, with most of these animals being classified under different phyla.