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Its sense accordingly differs from diurnal and nocturnal behavior, which respectively peak during hours of daytime and night. The distinction is not absolute, because crepuscular animals may also be active on a bright moonlit night or on a dull day. Some animals casually described as nocturnal are in fact crepuscular. [2]
Steppe eagles are diurnal, and hunt during the day. Humans are diurnal, and organize their work and business mainly in the day. [a] Diurnality is a form of plant and animal behavior characterized by activity during daytime, with a period of sleeping or other inactivity at night. The common adjective used for daytime activity is "diurnal". The ...
This category contains flowering plants that have flowers that open or remain open at night. Pages in category "Night-blooming plants" The following 92 pages are in this category, out of 92 total.
The diurnal or nocturnal, [3] chasmogamous or rarely cleistogamous, [9] solitary, hermaphrodite, entomophilous, [6] fragrant or inodorous flowers [17] are mostly protogynous. [17] The flowers have (3–)4(–5) [ 6 ] green, sometimes spotted sepals, [ 13 ] and about 6–50 [ 6 ] lanceolate to spathulate, differently coloured petals, [ 13 ...
Diurnal cycle, any pattern that recurs daily Diurnality, the behavior of animals and plants that are active in the daytime; Diurnal phase shift, a phase shift of electromagnetic signals; Diurnal temperature variation, a cycle of daily temperature change
Diurnality, plant or animal behavior characterized by activity during the day and sleeping at night. Cathemeral , a classification of organisms with sporadic and random intervals of activity during the day or night.
It has been argued that for plants that display foliar nyctinasty, it is a crucial mechanism for survival; however, most plants do not exhibit any nyctinastic movements. [1] Nyctinasty is found in a range of plant species and across xeric , mesic , and aquatic environments, suggesting that this singular behavior may serve a variety of ...
Heliotropism, a form of tropism, is the diurnal or seasonal motion of plant parts (flowers or leaves) in response to the direction of the Sun. The habit of some plants to move in the direction of the Sun, a form of tropism, was already known by the Ancient Greeks. They named one of those plants after that property Heliotropium, meaning "sun turn".