Vedetta Clement November 27, 2019 Fruit
Bio luminescence is the production of light, such as by the photosensor of marine animals, and the tails of glow-worms and fireflies. Bio luminescence, like other forms of metabolism, releases energy derived from the chemical energy of food. A pigment, luciferin is catalysed by the enzyme luciferase to react with oxygen, releasing light. Comb jellies such as Euphemisms are bio luminescent, creating blue and green light, especially when stressed; when disturbed, they secrete an ink which luminescence in the same colors. Since comb jellies are not very sensitive to light, their bio luminescence is unlikely to be used to signal to other members of the same species (e.g. to attract mates or repel rivals); more likely, the light helps to distract predators or parasites. Some species of squid have light-producing organs (photophores) scattered all over their undersides that create a sparkling glow. This provides counter-illumination camouflage, preventing the animal from appearing as a dark shape when seen from below. Some anglerfish of the deep sea, where it is too dark to hunt by sight, contain symbiotic bacteria in the ’bait’ on their ’fishing rods’. These emit light to attract prey.
The main mechanisms to create the resemblances described by Poulton – whether in nature or in military applications – are crypts, blending into the background so as to become hard to see (this covers both special and general resemblance); disruptive patterning, using color and pattern to break up the animal’s outline, which relates mainly to general resemblance; mime sis, resembling other objects of no special interest to the observer, which relates to special resemblance; counter shading, using graded color to create the illusion of flatness, which relates mainly to general resemblance; and counter illumination, producing light to match the background, notably in some species of squid.
My earliest memories growing up, were sitting at the breakfast table with my dad, before the sun came out, outlining and coloring the fonts of the newspaper. He would rise at 4am for work and we would sit for an hour before he left…and color together. As an adult.., I carried on the tradition by buying children’s coloring books at the dollar store..and practicing calligraphy as a hobby. When adult coloring books came out in the recent years.., I was ecstatic! I still color early mornings at breakfast rime..and also late nights to wind down. It has helped with my memory recall..as well as with the physical negative effects of thyroid disease, since an early age. Also as an introvert, it helps me to recuperate after a long day of normal kids and stress.
Examples of culinary ”vegetables” and nuts that are botanically fruit include corn, biscuits (e.g., cucumber, pumpkin, and squash), eggplant, legumes (beans, peanuts, and peas), sweet pepper, and tomato. In addition, some spices, such as allspice and chili pepper, are fruits, botanically speaking. In contrast, rhubarb is often referred to as a fruit, because it is used to make sweet desserts such as pies, though only the petiole (leaf stalk) of the rhubarb plant is edible, and edible gymnosperm seeds are often given fruit names, e.g., ginkgo nuts and pine nuts.
Darwin explained such male-female differences in his theory of sexual selection in his book The Descent of Man. Once the females begin to select males according to any particular characteristic, such as a long tail or a colored crest, that characteristic is emphasized more and more in the males. Eventually all the males will have the characteristics that the females are sexually selecting for, as only those males can reproduce. This mechanism is powerful enough to create features that are strongly disadvantageous to the males in other ways. For example, some male birds of paradise have wing or tail streamers that are so long that they impede flight, while their brilliant colors may make the males more vulnerable to predators. In the extreme, sexual selection may drive species to extinction, as has been argued for the enormous horns of the male Irish elk, which may have made it difficult for mature males to move and feed.
Batesian mimicry was first described by pioneering naturalist Henry W. Bates. When an edible prey animal comes to resemble, even slightly, a distasteful animal, natural selection favors those individuals that even very slightly better resemble the distasteful species. This is because even a small degree of protection reduces prediction and increases the chance that an individual mimic will survive and reproduce. For example, many species of hover fly are colored black and yellow like bees, and are in consequence avoided by birds (and people).
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