genus daphnia
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.
Noun
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water fleas
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