univolvacy
The characteristic or state of an organism, particularly an insect, having only one generation or brood per year. It describes a life cycle that is completed once within a twelve-month period, often dictated by seasonal changes.
例句
3 / 5The gardener explained the univolvacy of the local butterfly, noting they only emerge once every summer.
The gardener explained that these butterflies only have one generation per year.
Statistical analysis confirms the univolvacy of the species in northern latitudes compared to its multivoltine relatives in the south.
Data shows this species has one brood per year in the north, unlike those in the south.
You won't see those bugs again until next year because of their univolvacy.
Those insects only come out once a year, so they're gone for now.
词族
记忆技巧
Break it down: 'Uni' (one) + 'Volv' (revolve/turn) + 'acy' (state). It is the state of the life cycle turning exactly once per year.
快速测验
Due to the extreme cold of the alpine region, the local moth population exhibits strict ______, producing only one set of offspring before winter.
正确!
正确答案是: univolvacy
例句
The gardener explained the univolvacy of the local butterfly, noting they only emerge once every summer.
everydayThe gardener explained that these butterflies only have one generation per year.
Statistical analysis confirms the univolvacy of the species in northern latitudes compared to its multivoltine relatives in the south.
formalData shows this species has one brood per year in the north, unlike those in the south.
You won't see those bugs again until next year because of their univolvacy.
informalThose insects only come out once a year, so they're gone for now.
Univolvacy is often an adaptive response to environments where the favorable growing season is too short for a second generation.
academicHaving one generation per year is an evolutionary trait for surviving in short seasons.
The sericulture project failed because the team did not account for the univolvacy of the specific silkworm strain.
businessThe silk production failed because they didn't realize the worms only produce one brood a year.
词族
常见搭配
常用短语
inherent univolvacy
a natural, genetic tendency to produce one brood yearly
degree of univolvacy
the extent to which a population follows a single-brood cycle
maintained univolvacy
keeping a single-generation cycle over several years
容易混淆的词
Multivoltinism refers to having multiple generations per year, whereas univolvacy is strictly one.
Involution refers to shrinkage or a complicated movement, unrelated to biological life cycles.
使用说明
Univolvacy is a highly technical term used almost exclusively in biology, ecology, and entomology. While the prompt identifies it as an adjective, it is most frequently used as a noun to describe the state or property of being univoltine.
常见错误
Learners often confuse this with general annual cycles of plants; however, this term is specifically preferred when discussing the 'broods' or 'generations' of insects or similar organisms.
记忆技巧
Break it down: 'Uni' (one) + 'Volv' (revolve/turn) + 'acy' (state). It is the state of the life cycle turning exactly once per year.
词源
Derived from the Latin 'unus' (one) and 'vultus' (a turn or time), combined with the English suffix '-acy' denoting a state or quality.
语法模式
文化背景
This term is significant in historical sericulture (silk farming), as different regions favored different 'voltinism' for silk production efficiency.
快速测验
Due to the extreme cold of the alpine region, the local moth population exhibits strict ______, producing only one set of offspring before winter.
正确!
正确答案是: univolvacy
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