Euphausiacea
Definition
Noun 1. An order of small, shrimp-like crustaceans: Euphausiacea is the scientific taxonomic order name for a group of small, pelagic (open-ocean) crustaceans. They are commonly known as krill. 2. Important planktonic organisms: Members of this order are a fundamental component of marine zooplankton, serving as a crucial food source for many larger animals. 3. Often bioluminescent: Many species within this order are capable of producing light (bioluminescence).
Usage
- The term is used primarily in scientific, marine biological, and ecological contexts to classify and discuss these specific organisms.
- It is a formal taxonomic name.
Examples
Advanced Usage
- In ecological modeling: "The model incorporates the seasonal migration of Euphausiacea as a key variable."
- In discussions of marine food webs: "The health of the Antarctic ecosystem is directly tied to the abundance of Euphausiacea."
Variants and Related Words
- Krill (n): The common name for the crustaceans that constitute the order Euphausiacea.
- Antarctic krill (Euphausia superba) is a key species.
- Euphausiid (n): Another term for an individual krill or a member of the order Euphausiacea.
- The sample contained several euphausiids.
Synonyms
- Krill: The most common direct synonym in non-scientific language.
- Planktonic crustaceans: A descriptive synonym highlighting their ecological role.
Notes
- "Euphausiacea" is always treated as a singular noun when referring to the taxonomic order as a collective entity (e.g., "Euphausiacea is an order...").
- When referring to multiple individual animals, the common name "krill" is typically used (e.g., "Thousands of krill swarmed here").
Noun
-
small commonly luminescent crustaceans; important element of marine plankton: krill
Khám phá thêm
Các từ liên quan
Từ đồng nghĩa
Từ chứa "Euphausiacea"
Từ có nhắc đến "Euphausiacea"