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

1. class of fungi coextensive with subdivision Zygomycota