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opposite of vertebrate

 

Definitions from the Web

Term: Invertebrate

Definition

In biology, the term "invertebrate" refers to an organism that lacks a backbone or vertebral column, which is typically found in animals. Invertebrates represent a vast and diverse group of animals constituting more than 95% of known animal species.

Senses and Usages

Sense 1: Broad Biological Classification

As a broad biological classification, an invertebrate encompasses a wide range of organisms belonging to multiple phyla, such as arthropods (e.g., insects, spiders, crabs), mollusks (e.g., snails, clams, squids), annelids (e.g., earthworms, leeches), and many others.

Example Sentence: The study of invertebrates is crucial for understanding the ecological balance within ecosystems.

Sense 2: Absence of Backbone

An invertebrate refers to an animal lacking a backbone or vertebral column. It is the opposite of a vertebrate and includes various organisms like jellyfish, worms, sponges, and insects.

Example Sentence: The beautiful coral reef is home to an abundance of colorful invertebrates.

Sense 3: Popular Usage

Outside the biological context, the term "invertebrate" is sometimes used metaphorically to describe a person who lacks strength, courage, or determination.

Example Sentence: John seemed like an invertebrate, always avoiding confrontations and unable to take a stand.

Sense 4: Local Usage

In certain regions, particularly among local fishermen, the term "invertebrate" might be used to refer to specific marine or freshwater species that are economically or culturally important.

Example Sentence: The local fishermen catch a variety of invertebrates like crabs, lobsters, and shrimps.

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