نتایج جستجو برای: ornament floral

تعداد نتایج: 10352  

Journal: :Scientific American 1919

Journal: :The Nordic Journal of Aesthetics 1994

Journal: :Idil Journal of Art and Language 2017

Journal: :World Journal of Education and Humanities 2020

Journal: :Science 2013
Dominic Clarke Heather Whitney Gregory Sutton Daniel Robert

Insects use several senses to forage, detecting floral cues such as color, shape, pattern, and volatiles. We report a formerly unappreciated sensory modality in bumblebees (Bombus terrestris), detection of floral electric fields. These fields act as floral cues, which are affected by the visit of naturally charged bees. Like visual cues, floral electric fields exhibit variations in pattern and ...

Journal: :Journal of evolutionary biology 2007
L Serra M Griggio D Licheri A Pilastro

We investigated the effect of moult speed on the expression of a sexually selected, carotenoid-based feather ornament in the rock sparrow (Petronia petronia). We experimentally accelerated the moult speed of a group of birds by exposing them to a rapidly decreasing photoperiod and compared the area and the spectral characteristics of their ornaments with those of control birds. Birds with accel...

Journal: :Bulletin of Belgorod State Technological University named after. V. G. Shukhov 2018

Journal: :Research Journal of Applied Sciences 2011

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید