oligochaete

Thân thiện

An earthworm, a common oligochaete, burrows through moist soil.

Definition

1. Noun:
   • An oligochaete is a type of worm belonging to the class Oligochaeta. These are hermaphroditic annelids (segmented worms) that can live in terrestrial (earth) or aquatic (water) environments. They are characterized by having bristles (called setae or chaetae) that are borne singly or in small bundles along the length of their segmented bodies.

Usage Examples

• Noun:
  • The common earthworm is a familiar example of an oligochaete.
  • Biologists study oligochaetes to understand soil health and decomposition.
  • The pond sediment was teeming with aquatic oligochaetes.

Advanced Usage

• Scientific Classification: The term is primarily used in biological and zoological contexts to classify and describe a specific taxonomic group of annelids, distinct from polychaetes (marine worms with many bristles) and hirudineans (leeches).
• Ecological Indicator: In environmental science, the presence and diversity of species are often used as bioindicators of water or soil quality.

Variants and Related Words

• Oligochaeta (noun, plural): The scientific class name for all oligochaete worms.
• Oligochaetous (adjective): Relating to or characteristic of oligochaetes.

Synonyms

• Earthworm (specifically for terrestrial types)
• Segmented worm (broader category)
• Annelid (broader phylum category)

Related Terms (Not Phrasal Verbs)

• Setae / Chaetae: The bristles that characterize oligochaetes.
• Hermaphroditic: Possessing both male and female reproductive organs, a key trait of oligochaetes.
• Annelid: The phylum of segmented worms to which oligochaetes belong.

Học thuật

Noun

1. hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body

Từ đồng nghĩa

• oligochaete worm