in Polish: Arktyka Europejska - morski przewodnik użytkownika
MORSKI PSI
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MORSKI PSI
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Ukratko o njima…• Morski psi (Selachimorpha) su ribe
hrskavičnjače,što znači da je njihov kostur rađen od elastične hrskavice,a ne od kostiju
• Psi su poznati kao brzi i okrutni grabežljivci,no postoje i neki od njih,kao i raže,plivaju polako uz morsko dno i traže ribe,rakove,najprostraniji su u Tihom oceanu
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Vrste morskih psa• Morski psi postoje već 400 mil. godina i
njihovo formiranje je završeno prije 63 mil. godina
• Najpoznatija vrsta je zasigurno Carcharodon megalodon,predak današnje bijele psine
• Postoji 375 vrsta,od kojih je 29 zabilježeno u Jadranskom moru,najmanja je kostalj crnac,a najveća gorostasna psina
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Gorostasna psina
Kostalj crnac
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Njihove karakteristike • Svaka vrsta s hrani drugačijom hranom zbog
veličine zubiju,mijenjaju zube tijekom života • Napadaju ljude,no to nije njihova namjera
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Raže• Ima oko 456 vrsta raža,uključujći glatku
ražu,pilana i ražu violinu• Sve imaju krilaste prsne peraje spojene s
glavom te škržne pukotine s donje strane tijela• Mnoge raže provode život na morskom dnu ili
blizu njega gdje se prilagođavaju bojom okolišu
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NAŠI PESEKI I FILM RALJE• Radi se o problemima koje izaziva jedna bijela
psina koja napada i ubija ljude,no ljudi ga nastoje ubiti
• Klasik,horor• Ima 4 nastavka,redatelj je slavni Steven
Spielberg
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NEMOJTE RIJEČ MORSKI PAS
SHVAĆATI OZBILJNO!
OPREZ! SLIKE KOJE SLIJEDE SU UZNEMIRUJUĆE :D
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KRAJ! NADAM SE DA STE
UŽIVALI
Ema i Kiki,7.r