The Lepisosteus is a primitive species of fish that can only be found in rivers and water lakes tranquilas of central America (Mexico and Guatemala). Voracious natural predators, possess the prolongated bodies and thick scales and can arrive up to 45 kg. Fish-lizards or fish-alligators are called popularly due the similarity of the snout between the two animal species.
The fish-lizard is a sort of four species of primitive ósseos fish, enters oldest than still they exist in the present time. They already were here when the human beings we arrive the Land and possibly still are when we will be extinct. This species was introduced in Thailand and caused a serious ecological disequilibrium.
Digital metamorphosis
Incredible the fossil
It seems the Predator, that foreigner who hunts Arnold Schwarzenegger in the forest. But he is harmless límulo, or crab-horseshoe, one of the animals most strange of the Land. With espinhuda its carapaça, it survived the diverse extinções in mass and is one of the species oldest of the world, with more than 500 million years. When the dinos had appeared, it already were ancião. As if it sees, the horseshoe is a fossil living creature.
Which the secret of as much success? Among others things, it eat of everything, but also it can pass one year without eating. It does not have natural enemies and it supports extremities of temperature and salinity. In 1967, it relieved until Nobel: its visual receivers and optic nerve had helped to disclose as the vision functions.
Currently, its blood is used for the pharmaceutical industry and NASA. Agency uses the space it to locate and to exterminar bacteria in its sounding leads, so that they do not contaminate other planets. It is possible that Mars in an attempt is sent to detect life there.
Although the name, the horseshoe is not a crab nor is considered a crustacean. Its four species - that east and Asian Southeast occur in the American coast - form an exclusive classroom of filo arthropod, the merostomata. E, if you to find a horseshoe in the beach, do not need to run away. Although to arrive more than half the meter and to have six pairs of claws, it he does not pinch. The horseshoe can scare, but he is harmless as a horse. Sea horse, clearly.
Lesson of anatomy
The duplex crab-ferraduraem
Eyes
Eight on and two under (indicated in the image to the right), of different types. In the dark one, its visual sensitivity increases 1 million of times. Enxergam in ultraviolet
Carapaça
Greaters to each exchange of carapaça are 25%. They become adult the 10 years, after 16 exchanges of skin. The females, greaters, can reach 60 centimeters and live 19 years
Mouth
Body is in the way it, between the legs. Structures remembering combs help in the chew. The animal eats of earthworms and clams the seaweed
Legs
They are six pairs, all with claws. The first one serves to place food in the mouth. Others four serve to walk and to chew. The last pair pushes the crab ahead
Tail
In sting form, it is not a weapon. Its function is to serve toggle. If the crab to capotar, uses it to desvirar itself. She is rigid and funny as a helix
Genital
Eggs or sperm are under of this covering. The males if grasp a female, forming one “trenzinho”. In the sand, the female digging nests and puts 300 eggs in each. The males liberate sperm on of them and the nest is covered
Blood
It is blue and it contains copper - and not iron, as ours - to carry oxygen. The scientists use the substance to purificar vaccines. E the animal does not die exactly after “donating” one terço of its blood
Gills
Beyond used breathing, they function at the same time as paddles. The animal nothing upside-down.
Super Interesting
Which the secret of as much success? Among others things, it eat of everything, but also it can pass one year without eating. It does not have natural enemies and it supports extremities of temperature and salinity. In 1967, it relieved until Nobel: its visual receivers and optic nerve had helped to disclose as the vision functions.
Currently, its blood is used for the pharmaceutical industry and NASA. Agency uses the space it to locate and to exterminar bacteria in its sounding leads, so that they do not contaminate other planets. It is possible that Mars in an attempt is sent to detect life there.
Although the name, the horseshoe is not a crab nor is considered a crustacean. Its four species - that east and Asian Southeast occur in the American coast - form an exclusive classroom of filo arthropod, the merostomata. E, if you to find a horseshoe in the beach, do not need to run away. Although to arrive more than half the meter and to have six pairs of claws, it he does not pinch. The horseshoe can scare, but he is harmless as a horse. Sea horse, clearly.
Lesson of anatomy
The duplex crab-ferraduraem
Eyes
Eight on and two under (indicated in the image to the right), of different types. In the dark one, its visual sensitivity increases 1 million of times. Enxergam in ultraviolet
Carapaça
Greaters to each exchange of carapaça are 25%. They become adult the 10 years, after 16 exchanges of skin. The females, greaters, can reach 60 centimeters and live 19 years
Mouth
Body is in the way it, between the legs. Structures remembering combs help in the chew. The animal eats of earthworms and clams the seaweed
Legs
They are six pairs, all with claws. The first one serves to place food in the mouth. Others four serve to walk and to chew. The last pair pushes the crab ahead
Tail
In sting form, it is not a weapon. Its function is to serve toggle. If the crab to capotar, uses it to desvirar itself. She is rigid and funny as a helix
Genital
Eggs or sperm are under of this covering. The males if grasp a female, forming one “trenzinho”. In the sand, the female digging nests and puts 300 eggs in each. The males liberate sperm on of them and the nest is covered
Blood
It is blue and it contains copper - and not iron, as ours - to carry oxygen. The scientists use the substance to purificar vaccines. E the animal does not die exactly after “donating” one terço of its blood
Gills
Beyond used breathing, they function at the same time as paddles. The animal nothing upside-down.
Super Interesting
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Singularidades extraordinary of usual animals: sanguessuga.
A shorter and made right description of sanguessuga is not selling of ambulance, nor absorb-blood, much less sticky vampire. The made right description shortest and is: barometer that it bites and already I go to explain why. Despite sanguessugas seems basically all equal ones, in the reality 650 known species exist that go more than since miniature until the 45 centimeters of length.
All sanguessugas are divided in 34 segments. E attention: each segment has its proper “brain”. The segment of the head contains a simple structure of two lobes, while the remain has a group of neurons called ganglion. However, although as much unfolding of brains, the truth is that sanguessugas does not have many neurons: only 15.000. The brain of a bee, for example, has 95,000).
Why we cannot call sanguessugas absorbs-sangues? Simply because few species absorb blood, despite all are carnivorous and despite the ones that absorb blood do not know what they are making: they eat during one followed hour and they increase between 5 and 10 times its original size.
When they finish with the satiated supper, sanguessugas costumam to leave as test of its mordisco a wound with form of Y. Ademais, the wounds bleed very, up to 10 hours, because the saliva of sanguessuga contains anaesthetic and hirudina, an anticoagulant. Stranger is that although everything, the bites of sanguessugas do not donate. In way that if some day to feel some of them grudada in its body, does not try to pull out it force (burning or playing salt), duly warned that it regurgitates and it provokes an infection; the best one measured is to wait that if sacie and frees by itself.
In 1799, the troops of Napoleão in Sinai had drunk water infested with sanguessugas that they had grasped themselves to the interior walls of the noses, mouths and the throats of the soldiers. Hundreds of them had died for asphyxia.
However, sanguessugas can pass up to 6 months without feeding itself.
In century XIX they were used with frequency in medicine to carry through bleedings. In they do not go, France more than imported 42 million them only during 1833. Therefore the species arrived at the side of the extinguishing. Currently also they are used in the alternative medicine in the units of burnt and aesthetic surgery to drain blood and for its anticoagulating properties.
Why sanguessugas can be defined as barometers? Because the change of the atmospheric pressure makes with that the water where they swim dissolves little oxygen very, what makes with that they are obliged to go up to the surface, functioning as well as a prognosticador of storms.
In fact, George Merryweather constructed one of these prophetic, one elaborated barometer with sanguessugas, that he was presented in the Great Exposition of London of 1851. The machine consisted of 12 bottles that contained water of rain and one sanguessuga. To the measure that a storm if approached, sanguessuga went up for the pass of the bottle and made a bell to sound. “Ding Dong, catches its umbrellas”.
All sanguessugas are divided in 34 segments. E attention: each segment has its proper “brain”. The segment of the head contains a simple structure of two lobes, while the remain has a group of neurons called ganglion. However, although as much unfolding of brains, the truth is that sanguessugas does not have many neurons: only 15.000. The brain of a bee, for example, has 95,000).
Why we cannot call sanguessugas absorbs-sangues? Simply because few species absorb blood, despite all are carnivorous and despite the ones that absorb blood do not know what they are making: they eat during one followed hour and they increase between 5 and 10 times its original size.
When they finish with the satiated supper, sanguessugas costumam to leave as test of its mordisco a wound with form of Y. Ademais, the wounds bleed very, up to 10 hours, because the saliva of sanguessuga contains anaesthetic and hirudina, an anticoagulant. Stranger is that although everything, the bites of sanguessugas do not donate. In way that if some day to feel some of them grudada in its body, does not try to pull out it force (burning or playing salt), duly warned that it regurgitates and it provokes an infection; the best one measured is to wait that if sacie and frees by itself.
In 1799, the troops of Napoleão in Sinai had drunk water infested with sanguessugas that they had grasped themselves to the interior walls of the noses, mouths and the throats of the soldiers. Hundreds of them had died for asphyxia.
However, sanguessugas can pass up to 6 months without feeding itself.
In century XIX they were used with frequency in medicine to carry through bleedings. In they do not go, France more than imported 42 million them only during 1833. Therefore the species arrived at the side of the extinguishing. Currently also they are used in the alternative medicine in the units of burnt and aesthetic surgery to drain blood and for its anticoagulating properties.
Why sanguessugas can be defined as barometers? Because the change of the atmospheric pressure makes with that the water where they swim dissolves little oxygen very, what makes with that they are obliged to go up to the surface, functioning as well as a prognosticador of storms.
In fact, George Merryweather constructed one of these prophetic, one elaborated barometer with sanguessugas, that he was presented in the Great Exposition of London of 1851. The machine consisted of 12 bottles that contained water of rain and one sanguessuga. To the measure that a storm if approached, sanguessuga went up for the pass of the bottle and made a bell to sound. “Ding Dong, catches its umbrellas”.
Why male spiders die after the sex?
The reason depends on the species - and it is not excessively to remember that this does not happen with all they. “It has about 35 a thousand species of spider and the behavior of many still is unknown”, says Irene Knysak, director of the laboratory of arthropods of the Butantan Institute. The caranguejeira, for example, can conclude cópula with the elimination of the male for serviz it, 60 days later, to the just-born younglings. Yes, during the first slap-up meal of its lives the small ones are empanturram with the proper father. Already the widower-black, coitada, caught fame unjustly. If the sex many times takes chosen its to the last sigh, affirms Irene, is for an accidental question: the reproductive agency of it can fall when it is pulled out quickly of inside of the female. After that it comes the extreme loss of hemolinfa (equivalent to our blood) and the death. The female of the aurantia Argiope also would be innocent, in accordance with researchers of the universities of Concord (Canada) and California (U.S.A.). It has suspicion of that the male if commits suicide during cópula, therefore is entalado in the female, thus forming a type of chastity belt and preventing that other galas intervene with its hatch. Its rivals do not save efforts to remove it, but they are rare the ones that get success.
It tries to take an one bite .....
Tarantula Hawk. It is a type of super marimbondo developed (7cm arrives) that it has as its diet the caranguejeiras spiders and tarântulas. Curiously, a type of ranking exists bizarro of the bites of bees, wasps, marimbondos, ants and other insects. Basically, expensive one half maluco called John Schimidt, a professional entomologista annoys the animals and offers its free body of and spontaneous will to be perforated. Then it analyzes scientifically what it feels. From there it constructs ranking Schimdt of poisonous bite. This ranking calls Schmidt Sting Pain Index. E guesses who figure with honors as second pricked dolorida more? This exactly, this cursed animal there. According to ranking, this bite is despairing, blind the citizen temporariaente and the only possible consequence is to cry out.
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After the carnival somebody still it goes to remember in making workmanships against floods
Now the governments are liberating mounts of money to all alliviate to the flagellates of floods in Brazil, in S. Pablo three hundred Reals for rent, of the one to rent one comodo in arrabaldes and after the carnival will be that somebody goes to remember to make containment workmanships and to remove the people of the risk area and the people they go to want to leave these habitations that generally this close to its services and going for a local insurance but far from its service and the media goes to charge, it goes to continue showing the tragic images or goes to show the beauty of the carnival, therefore until rains the people accomodated will be weakker there in some place or as all year goes to forget and to come back to the subject in the next summer with palhativas measures?
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