heterometabolism

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Thân thiện
Definition

Noun: A type of insect development characterized by incomplete metamorphosis, where there is no distinct pupal stage before the insect reaches its mature, adult form. The young (nymphs) resemble smaller, wingless versions of the adults and grow through a series of molts.

Usage

This is a specialized scientific term used primarily in entomology (the study of insects). It describes a specific biological process. * The grasshopper exhibits heterometabolism, developing from a nymph directly into an adult without a pupal phase. * Entomologists classify insect life cycles into categories such as ametabolism, heterometabolism, and holometabolism.

Advanced Usage
  • The adjective form is heterometabolous.
    • Dragonflies are heterometabolous insects.
  • The developmental process itself can be called heterometabolic development.
Variants and Related Words
  • Heterometabolous (adjective): Describing an insect or a life cycle that undergoes heterometabolism.
  • Hemimetabolism (noun): A synonymous term often used interchangeably with heterometabolism.
  • Incomplete metamorphosis (noun phrase): The common descriptive term for this type of development.
Synonyms
  • Hemimetabolism
  • Incomplete metamorphosis
  • Paurometabolism (specifically for insects where the nymphs and adults share the same habitat)
Antonyms
  • Holometabolism: Development with complete metamorphosis, involving a distinct larval stage, a pupal stage, and an adult stage (e.g., butterflies, beetles).
  • Ametabolism: Development with little or no metamorphosis; the young and adults are very similar, and the insect continues to molt after reaching sexual maturity (e.g., silverfish).
Noun
  1. development of insects with incomplete metamorphosis in which no pupal stage precedes maturity

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