genus daphnia

Thân thiện

A student observes a genus daphnia under a microscope.

Definition

Noun: 1. A taxonomic genus of small, planktonic crustaceans: "genus daphnia" refers to a specific group within the animal kingdom, comprising tiny freshwater organisms commonly known as water fleas. They are characterized by a transparent carapace and are often used in biological research and as aquarium fish food.

Usage Examples

• Noun:
  • The biology student studied a sample of genus daphnia under the microscope.
  • Ecologists monitor populations of genus daphnia as an indicator of water quality in lakes.

Advanced Usage

• In scientific taxonomy: The term is used in a precise, hierarchical classification system. "Daphnia" is the genus name, and individual species within it have a two-part name (binomial nomenclature), e.g., .
  • The experiment compared the heart rates of two species within the genus daphnia.

Variants and Related Words

• Daphnia (n): The common name and abbreviated form for organisms of this genus.
  • The fish were fed live daphnia.
• Cladocera (n): The scientific order to which the genus Daphnia belongs.
  • Daphnia is one of the most well-known genera in the order Cladocera.

Synonyms

• Water flea (n): The common English name for these organisms.
  • Water fleas of the genus daphnia are found worldwide.

Related Terms and Context

• Plankton (n): The collective term for small organisms drifting in water bodies; genus daphnia are part of the zooplankton.
  • Daphnia are a key component of freshwater plankton.
• Filter feeder (n): An organism that feeds by straining suspended matter from water; daphnia are filter feeders.
  • As filter feeders, genus daphnia helps clarify pond water.

Học thuật

Noun

1. water fleas

Từ đồng nghĩa

• genus daphnia