multicellular
Học thuậtThân thiện
Definition
- Adjective:
- Consisting of many cells: Describes an organism or structure that is composed of more than one cell, where cells are typically organized into tissues and organs. This is a fundamental characteristic distinguishing complex life forms like animals and plants from single-celled organisms.
Usage
- The term "multicellular" is primarily used in biological and scientific contexts to classify and describe organisms.
- It is used attributively (before a noun) or predicatively (after a linking verb).
- It describes the structural organization of an entity.
Examples
- Attributive use (before a noun):
- All animals and plants are multicellular organisms.
- The evolution of multicellular life was a major step in biological history.
- Predicative use (after a linking verb):
- Fungi are multicellular.
- This particular alga can be either unicellular or multicellular, depending on environmental conditions.
Advanced Usage
- "multicellularity" (noun): The condition or quality of being multicellular.
- The evolution of multicellularity allowed for greater size and specialization.
- Used in contrast to "unicellular" (single-celled) and "acellular" (non-cellular).
- The transition from unicellular to multicellular forms involved new mechanisms of cell communication.
Variants and Related Words
- Multicellularity (n): The state of being multicellular.
- Unicellular (adj): Consisting of a single cell (antonym).
- Cellular (adj): Relating to or consisting of cells (broader term).
Synonyms
- Many-celled: A simpler, more descriptive synonym.
- Complex (in a biological context): Often implies multicellular organization, though less precise.
Antonyms
- Unicellular: Having or consisting of a single cell.
- Acellular: Not composed of cells or lacking a cellular structure.
Adjective
- consisting of many cells
- multicellular organisms