class Anthozoa

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Thân thiện
Definition
  1. Noun:
    • A taxonomic class of marine invertebrates: "Class Anthozoa" is a major class within the phylum Cnidaria, comprising sedentary (non-swimming) animals such as sea anemones and corals. A defining characteristic is the complete absence of a medusa (jellyfish-like) stage in their life cycle; they exist only in the polyp form.
Usage Examples
  • Noun:
    • Corals and sea anemones belong to the class Anthozoa.
    • The class Anthozoa is distinguished by its exclusively polypoid life cycle.
Advanced Usage
  • Scientific Classification: The term is used primarily in biological and zoological contexts to categorize and discuss this specific group of cnidarians.
    • The study focused on the evolutionary relationships within the class Anthozoa.
Variants and Related Words
  • Anthozoan (n): An individual member of the class Anthozoa.
    • The anthozoan was attached to the rocky substrate.
  • Anthozoan (adj): Of or relating to the class Anthozoa.
    • The reef exhibited typical anthozoan biodiversity.
Synonyms
  • Actinozoa (n): An older, synonymous term for the class Anthozoa, now less commonly used.
Related Phrases
  • Hexacorallia: A subclass within Anthozoa that includes stony corals and sea anemones, typically with six-fold symmetry.
  • Octocorallia: A subclass within Anthozoa that includes soft corals and sea fans, typically with eight-fold symmetry.
Noun
  1. a large class of sedentary marine coelenterates that includes sea anemones and corals; the medusoid phase is entirely suppressed

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