Zygomycetes
Học thuậtThân thiện
Definition
Noun: 1. A class of fungi: A taxonomic class of fungi characterized by the formation of a thick-walled resting spore (a zygospore) during sexual reproduction. This class is coextensive with the subdivision Zygomycota, meaning it contains the same organisms.
Usage
- The term "zygomycetes" is used in scientific contexts, particularly in biology, mycology (the study of fungi), and taxonomy.
- It functions as a plural noun (treating the class as a group of organisms) but is often used with a singular verb when referring to the class as a single taxonomic unit.
- Example: "The zygomycetes are an important group of soil fungi." (Plural verb 'are' referring to the organisms)
- Example: "Zygomycetes is a class that includes common bread molds." (Singular verb 'is' referring to the class as an entity)
Examples
- Under the microscope, we observed several zygomycetes from the soil sample.
- The life cycle of zygomycetes involves the fusion of hyphae to form a zygospore.
- Zygomycetes, such as , are often responsible for food spoilage.
Advanced Usage
- In modern fungal taxonomy, the group traditionally called Zygomycota (and thus the class Zygomycetes) is considered paraphyletic. This means it does not include all the descendants of a common ancestor, leading to reclassification.
- Example: "Recent molecular studies have led to the splitting of the traditional zygomycetes into several new phyla."
Variants and Related Words
- Zygomycete (n): A singular form referring to any individual fungus belonging to the class Zygomycetes.
- Example: "A common zygomycete is the black bread mold."
- Zygomycota (n): The subdivision or phylum name that is coextensive with the class Zygomycetes.
- Zygospore (n): The characteristic thick-walled resting spore formed by zygomycetes.
- Zygomycetous (adj): Of or relating to the zygomycetes.
- Example: "The zygomycetous fungi reproduce sexually via zygospores."
Synonyms
- Zygomycetous fungi: A descriptive synonym.
- Conjugating fungi: An older, descriptive term referring to the conjugation (fusion) of hyphae.
Notes on Meaning
- The primary and sole meaning of "zygomycetes" is taxonomic, referring to this specific class of fungi. It does not have common, everyday meanings outside of scientific discourse.
Noun
- class of fungi coextensive with subdivision Zygomycota