ametabolous
Definition
- Adjective:
- Undergoing slight or no metamorphosis: Describes insects or other arthropods that exhibit little to no change in form between hatching and reaching adulthood. The young resemble smaller versions of the adults.
Usage
- The term is used primarily in entomology and zoology to classify certain types of insect development.
- It is a technical, scientific adjective.
Examples
- Adjective:
- Silverfish are ametabolous insects; their nymphs look almost identical to the mature adults.
- The ametabolous development of some primitive insects contrasts sharply with the complete metamorphosis seen in butterflies.
Advanced Usage
- In scientific classification: The term is often used in contrast to "hemimetabolous" (incomplete metamorphosis) and "holometabolous" (complete metamorphosis).
- The order Archaeognatha contains ametabolous species.
Variants and Related Words
- Ametabolism (n): The state or condition of being ametabolous; development without significant metamorphosis.
- Ametabolism is considered a primitive trait in insects.
Synonyms
- Ametabolic: Having the same meaning.
- Direct-developing: A more general biological term indicating the absence of a larval stage.
Antonyms
- Metamorphic: Undergoing metamorphosis.
- Holometabolous: Undergoing complete metamorphosis (e.g., egg, larva, pupa, adult).
- Hemimetabolous: Undergoing incomplete or partial metamorphosis.
Adjective
-
undergoing slight or no metamorphosis
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