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In other words, it is the opposite to a flashing light where the total duration of darkness is longer than the duration of light. It has the appearance of flashing off, rather than flashing on. Like a flashing light, it can be used for a single occulting light that exhibits only a single period of darkness or the periods of darkness can be ...
Aposematism is the advertising by an animal, whether terrestrial or marine, to potential predators that it is not worth attacking or eating. [1] This unprofitability may consist of any defenses which make the prey difficult to kill and eat, such as toxicity, venom , foul taste or smell, sharp spines, or aggressive nature.
In both cases, a positive increase in signal output (voltage) can be identified and used to index inhalation events. Alternatively, a photo transducer can be placed on the opposite side of an animal's chest from a light source (e.g., a Light-emitting diode). In this design, a decrease in signal reflects inhalation (chest expansion) as the chest ...
"My nostrils literally burnt and it smelled for a moment like ammonia."
Tomasko said one approach that local governments can take is removing the decaying algae from the water. In addition to removing the mess, it also removes nutrients from the water that could fuel ...
The stinkhorn’s scent is similar to that of rotten meat and dog feces. This scent profile supports the assumption that the stinkhorn mimics fly brood sites and food sources. The flies are being lured in by the exploitation of their innate attraction to smell of the decaying animal matter that the stinkhorn gives off. [21]
Blood in urine: Blood or unusual urine color and odor can be signs of a possible infection or serious health issues such as bladder stones or cancer. Accidents: If your dog starts leaking urine ...
The optic properties of water also lead to different wavelengths of light being absorbed to different degrees, for example light of long wavelengths (e.g. red, orange) is absorbed quite quickly compared to light of short wavelengths (blue, violet), though ultraviolet light (even shorter wavelength than blue) is absorbed quite quickly as well. [5]