resting spore
Học thuậtThân thiện
Definition
Noun A resting spore is a specialized spore produced by certain algae, fungi, or other organisms. Its primary characteristic is that it enters a state of dormancy, allowing it to survive through unfavorable environmental conditions such as extreme cold, heat, or drought. It may germinate and resume growth after a prolonged period when conditions become favorable again.
Usage
The term is used in biology, mycology, and botany to describe a dormant, survival-oriented reproductive structure. * It functions as a countable noun. * It is typically modified by the organism that produces it (e.g., fungal resting spore, algal resting spore).
Examples
- The fungus survives the winter as a resting spore in the soil.
- Scientists studied the thick cell wall that protects the resting spore during dormancy.
- The resting spores of the pathogen can remain viable in the field for several years.
Advanced Usage
- Ecological Role: Resting spores are a key survival strategy, ensuring the persistence of a species through seasonal changes or other stressful periods.
- In Plant Pathology: The presence of resting spores in soil is a major concern for crop rotation, as they can cause disease in future planting seasons after long intervals.
Variants and Related Words
- Dormant spore: A near-synonymous term emphasizing the inactive state.
- Survival spore: A descriptive term highlighting the spore's function.
- Cyst: In some protists, a dormant stage analogous to a resting spore.
- Oospore / Zygospore / Chlamydospore: Specific types of resting spores formed by different groups of fungi and algae through sexual or asexual means.
Synonyms
- Dormant spore
- Survival spore
Antonyms
- Vegetative spore (a spore intended for immediate germination and growth)
- Active spore
Noun
- a spore of certain algae or fungi that lies dormant; may germinate after a prolonged period