polychaete

Thân thiện

A marine biologist carefully observes a polychaete in a tide pool.

Definition

Noun: 1. A type of annelid worm belonging to the class Polychaeta, characterized by having a segmented body with paired, fleshy appendages (parapodia) on most segments, which bear numerous bristles (chaetae). They are mostly marine organisms.

Usage

The term "polychaete" is used in scientific and biological contexts to classify and describe a major group of marine worms. It functions as a countable noun.

Examples

• The sandy shore was teeming with polychaetes and other burrowing creatures.
• Under the microscope, the polychaete's parapodia and bristles were clearly visible.
• Polychaetes are an important part of the marine food web.

Advanced Usage

• The class name Polychaeta is often used in taxonomic classification.
  • The phylum Annelida is divided into three classes: Oligochaeta, Hirudinea, and Polychaeta.

Variants and Related Words

• Polychaeta (noun): The taxonomic class to which polychaete worms belong.
• Bristle worm (noun): A common name for polychaetes, referring to their prominent chaetae.

Synonyms

• Bristle worm
• Marine annelid (this is a broader descriptive term)

Different Meanings

The word "polychaete" has a single, specific zoological meaning and is not used with different meanings in common language.

Học thuật

Noun

1. chiefly marine annelids possessing both sexes and having paired appendages (parapodia) bearing bristles

Từ đồng nghĩa

• polychete
• polychaete worm
• polychete worm