Znanstvenici shvatili kako je izgledao prahistorijski krokodil koji je bio križan sa žirafom

Krokodil
13 komentara

Nova studija navodno sugerira da drevni gmizavac, koji je bio predmet dugogodišnjeg proučavanja bio vodeni grabežljivac, čiji su plijen bile ribe i lignje.

Znanstvenici koji proučavaju prahistoriju naše planete nedavno su uspjeli naučiti neke nove stvari u vezi sa stvorenjima koja su postojala na Zemlji tijekom razdoblja Trijasa, što je bilo prije otprilike 10 milijuna godina.

Kako CNN ističe, dok je dotično stvorenje zvano Tranistrofeusbio “nalik čudovištu  iz Loch Nessa ili je nalikovao kombinaciji žirafe i krokodila”, ono je prvi puta opisano u 19. stoljeću, no podaci o njemu su rekonstruirani 1973., puno podataka o tome stvorenju ni danas nije poznato; je li bio vodozemac ili je boravio na kopnu, kako su izgledali njegovi potomci, itd.

Upotrebom računalne tomografije za proučavanje fosiliziranih ostataka tih stvorenja, istraživači su utvrdili da anatomija lubanje i mjesto nosnica 20-metarskog stvorenja, čiji je vrat “bio polovicu cijele njegove dužine”, pokazuju “karakteristike vodene životinje”, s daljnjim dokazima koji ukazuju na to da je riječ o “predatoru koji je napadao iz zasjede”.

“Taj dugi vrat nije bio jako fleksibilan, imao je samo 13 kralježaka, na njemu su bila i rebra koja su dodatno ograničavala pokretljivost”, rekao je Olivier Rieppel, paleontolog iz Field muzeja u Chicagu i jedan od autora nove studije. “No naše istraživanje pokazuje da je ta čudna anatomija bila puno prilagodljivija i svestranija nego što smo to prije mislili”.

Istraživači su također utvrdili da manji fosili za koje se ranije mislilo da pripadaju bebi Tanistrofeusu zapravo pripadaju drugoj vrsti, koja je bila dugačka samo 4 metra.

“Maleni pojedincu također su u potpunosti odrasli i to je bilo iznenađujuće”, rekao je Torsten Scheyer, znanstveni suradnik sa Sveučilišta u Zürichu i jedan od Rieppelovih koautora. “To je poput prstenova koji pokazuju rast stabala; iz toga možete u osnovi rekonstruirati povijest tih životinja”.

Vodeći autor studije Stephan Spiekman, stručnjak za razvoj trijasnih gmizavaca na Sveučilištu u Zurichu, također je objasnio da su “male vrste vjerojatno hranjene malim školjkastim životinjama, poput škampa, za razliku od riba i liganja kojima su se hranile veće jedinke”, stoji u bilješkama Science Alerta.

“To je zaista izvanredno, jer smo očekivali da je bizarni vrat Tanistrofeusa specijaliziran za jedan jedini zadatak, poput vrata žirafe. Ali zapravo, to je omogućilo nekoliko načina življenja”, primijetio je. “To potpuno mijenja način na koji sada gledamo na ovu životinju”.

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13 komentara

  1. Jomla2

    “krokodil koji je bio križan sa žirafom”… čini mi se k’o da ste malo high 😉

  2. Brainstorm2

    krizan???

    1. Umpah Pah2

      Petokrakljen ?
      Prije braka ?
      Joj bruke !
      Sramota !

  3. Iza_horizonta2

    Danas učimo asocijacije.

    Primjer iz teksta je dosta dobar za opis teme.
    Asocijacije služe da bi se kreirao narativ.
    A narativ najčeće služi da obmane ili uplaši.

    U konkretnom slučaju to bi izgledalo ovako?
    -Kombinacija krokodila i žirafe?
    -To nije moglo prirodno. Vjerovatno je neka vrsta genetskog eksperimenta?
    -Ko je mogao da se tad bavi takvim eksperimentima? Ljudi ili nisu postoji ili su bili na nivou neandretalca.
    -Pa naravno, drevni vanzemaljci su u pitanju. A to svejedno ima na histori kanalu a oni ne bi lagali. A i piramide nisu same od sebe iznikle.
    -Znači imamo situaciju da su vanzemaljci nešto brljali po našoj planeti.
    -Ako su mogli da ukrste žirafu i krokodila, šta su sve drugo mogli. Sigurno im je bilo prelako da naprave neke viruse.
    -Ali gdje su ti virusi? Sigurno bi nam napravili probleme do sad ili bi nas mozda zbrisali.
    -Pa na antarktiku naravno, u vječnom ledu.
    -Ali, imamo problem, globalno zagrijavanje.
    -Ne bi Greta uzalud plakala da nema ispravne informacije.
    … Itd..

    Možda ovaj primjer asocijacija nekome djeluje šaljivo. Ali nažalost on to nije. U sličnom obliku svakodnevno “konzumiramo” gluposti koje nam prave trajne štete.

  4. RoPe2

    Ako su to znanstvenici tipa ovih modernih epidemiologa onda je sve ovo upitno.

  5. Stock2

    Krokodil križan sa žirafom je zapadna varijanta.
    Kršten je istočna.
    Kako ne mogu naći rezultat polumjesečarenja kamile i čovjeka.

  6. Stara kuka2

    Da nije taj križanac pobjegao iz laboratorije u Wuhanu?

  7. Mrčikola2

    Ako je križanac dobar za gradele, preporučam kloniranje.

    1. Umpah Pah2

      Ptica koja se seksualno uzbudi na tetrapak ?
      Tetrjeb ?

  8. Brainstorm2

    cross
    /krɒs/
    Learn to pronounce
    See definitions in:
    All
    Honour
    Astronomy
    Christian
    Biology
    Sports
    Finance
    noun
    noun: cross; plural noun: crosses
    1.
    a mark, object, or figure formed by two short intersecting lines or pieces (+ or ×).
    “place a cross against the preferred choice”

    a cross (×) used to show that something is incorrect or unsatisfactory.
    “the class sat quiet, waiting anxiously for the verdict—a tick or a large cross”
    a cross-shaped decoration awarded for personal valour or indicating rank in some orders of knighthood.
    “the Military Cross”
    the constellation Crux.
    singular proper noun: Cross; plural noun: the Cross
    2.
    an upright post with a transverse bar, as used in antiquity for crucifixion.
    Similar:
    crucifix
    rood
    the cross on which Christ was crucified.
    noun: Cross; plural noun: the Cross
    “the sacrifice of Jesus on the cross”
    a cross as an emblem of Christianity.
    “she wore a cross around her neck”
    short for sign of the cross (see sign).
    a staff surmounted by a cross carried in religious processions and on ceremonial occasions before an archbishop.
    something unavoidable that has to be endured.
    “she’s just a cross we have to bear”
    Similar:
    burden
    trouble
    worry
    trial
    tribulation
    affliction
    curse
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    hardship
    vicissitude
    misfortune
    adversity
    millstone
    albatross
    misery
    woe
    pain
    sorrow
    suffering
    torment
    thorn in one’s flesh
    thorn in one’s side
    hassle
    stress
    headache
    cumber
    Opposite:
    blessing
    3.
    an animal or plant resulting from cross-breeding; a hybrid.
    “a Galloway and shorthorn cross”
    Similar:
    hybrid
    hybridization
    cross-breed
    mixed breed
    half-breed
    half blood
    mixture
    amalgam
    blend
    combination
    composite
    conglomerate
    mongrel
    cur

    a mixture or compromise of two things.
    noun: a cross between
    “the system is a cross between a monorail and a conventional railway”
    4.
    SOCCER
    a pass of the ball across the field towards the centre close to one’s opponents’ goal.
    “Beckham’s low cross was turned into the net by Cole”
    BOXING
    a blow given with a crosswise movement of the fist.
    “a right cross”
    verb
    verb: cross; 3rd person present: crosses; past tense: crossed; past participle: crossed; gerund or present participle: crossing
    1.
    go or extend across or to the other side of (an area, stretch of water, etc.).
    “she has crossed the Atlantic twice”
    Similar:
    travel across
    go across
    cut across
    make one’s way across
    traverse
    range over
    tramp over
    wander over
    negotiate
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    span
    bridge
    arch
    ford
    extend across
    stretch across
    pass over
    arch over
    vault over
    go across or climb over (an obstacle or boundary).
    “he attempted to cross the border into Jordan”
    (especially of an artist or an artistic style or work) begin to appeal to a different audience, especially a wider one.
    “a talented animator who crossed over to live action”
    2.
    pass in an opposite or different direction; intersect.
    “the two lines cross at 90°”
    Similar:
    intersect
    meet
    join
    connect
    criss-cross
    interweave
    intertwine
    cause to intersect or lie crosswise.
    “cross the cables in opposing directions”
    (of a letter) be dispatched before receipt of another from the person being written to.
    “our letters crossed”
    3.
    draw a line or lines across; mark with a cross.
    “voters should ask one question before they cross today’s ballot paper”
    BRITISH
    mark or annotate (a cheque), typically by drawing a pair of parallel lines across it, to indicate that it must be paid into a named bank account.
    “a crossed cheque”
    delete a name or item on a list as being no longer required or involved.
    “Liz crossed off the days on the calendar”
    delete an incorrect or inapplicable word or phrase by drawing a line through it.
    “cross out any portions which do not apply”
    Similar:
    delete
    strike out
    strike through
    ink out
    score out
    scratch out
    block out
    blank out
    edit out
    blue-pencil
    cancel
    eliminate
    obliterate
    dele
    4.
    (of a person) make the sign of the cross in front of one’s chest as a sign of Christian reverence or to invoke divine protection.
    “Beatie crossed herself quickly at the mention of the dead”
    5.
    SOCCER
    pass (the ball) across the field towards the centre when attacking.
    “he could not get to the line to cross the ball”
    6.
    cause (an animal of one species, breed, or variety) to breed with one of another species, breed, or variety.
    “many animals of the breed were crossed with the closely related Guernsey”
    cross-fertilize (a plant).
    “a hybrid tea was crossed with a polyantha rose”
    Similar:
    hybridize
    cross-breed
    interbreed
    cross-fertilize
    cross-pollinate
    intercross
    mix
    intermix
    blend
    7.
    oppose or stand in the way of (someone).
    “no one dared cross him”
    Similar:
    oppose
    resist
    defy
    thwart
    frustrate
    foil
    obstruct
    impede
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    deny
    contradict
    argue with
    quarrel with
    stand up to
    take a stand against
    take issue with
    put up a fight against
    set one’s face against
    fly in the face of
    gainsay
    controvert
    Opposite:
    support
    adjective
    adjective: cross
    annoyed.
    “he seemed to be very cross about something”
    Similar:
    angry
    annoyed
    irate
    irritated
    in a bad mood
    peeved
    vexed
    upset
    irked
    piqued
    out of humour
    put out
    displeased
    galled
    resentful
    irritable
    short-tempered
    bad-tempered
    hot-tempered
    ill-humoured
    surly
    churlish
    disagreeable
    irascible
    touchy
    snappy
    snappish
    impatient
    peevish
    petulant
    fractious
    crotchety
    grouchy
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    cantankerous
    testy
    tetchy
    crabby
    captious
    splenetic
    choleric
    dyspeptic
    waspish
    mad
    hopping mad
    wild
    livid
    as cross as two sticks
    apoplectic
    aerated
    hot under the collar
    riled
    on the warpath
    up in arms
    foaming at the mouth
    steamed up
    in a lather
    in a paddy
    fit to be tied
    shirty
    stroppy
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    ratty
    eggy
    not best pleased
    mardy
    sore
    steamed
    bent out of shape
    soreheaded
    teed off
    ticked off
    ropeable
    snaky
    crook
    vex
    in a bate
    waxy
    ireful
    wroth
    vulgar slangpissed off
    pissed
    Opposite:
    pleased
    good-humoured
    Phrases
    as cross as two sticks
    very annoyed or irritated. “she was as jumpy as a cat and as cross as two sticks”
    at cross purposes
    misunderstanding or having different aims from one another. “we had been talking at cross purposes”
    cross one’s fingers
    put one finger across another as a sign of hoping for good luck. “we will be keeping our fingers crossed

  9. Brainstorm2

    cross the road znaci prekrizi cestu?

    1. Franjo Tahi2

      Krizaj cestu, krizaj sve, sve krizaj, a sto se neda iskrizati to cemo pokrstiti.

  10. Emiliano Zapata2

    Ovi su jos “jaci znanstvenici” od nih iz Nasa-e

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