desmid

Thân thiện

A student observes a desmid under a microscope in the biology lab.

Definition

1. Noun:
   • A desmid is a type of single-celled, freshwater green alga. Desmids are microscopic organisms often noted for their symmetrical and beautifully shaped cells, which are typically divided into two halves. They are commonly found in clean, nutrient-poor freshwater habitats like ponds and bogs.

Usage Examples

• Noun:
  • Under the microscope, the biologist observed a delicate desmid with a perfect symmetrical shape.
  • The health of the lake's ecosystem can be indicated by the presence of various desmid species.
  • This sample of pond water contains several types of algae, including a desmid.

Advanced Usage

• Scientific Classification: In scientific contexts, "desmid" refers specifically to members of the family Desmidiaceae within the green algae.
  • The study focused on the diversity of desmid populations in alpine peat bogs.

Variants and Related Words

• Desmidiaceae (n): The scientific family name for desmids.
• Desmidian (adj): A less common adjective relating to or resembling desmids.

Synonyms

• Freshwater alga: A general term for algae living in freshwater, which includes desmids.
• Planktic alga: An alga that floats in water; some desmids are planktic.

Related Terms (Not Phrasal Verbs or Idioms)

• Diatom: Another type of single-celled alga, but with a silica cell wall, often contrasted with desmids in freshwater studies.
• Chlorophyte: A member of the green algae division (Chlorophyta), the broader group to which desmids belong.

Học thuật

Noun

1. freshwater green algae