Grupe životinja
Sisari su grupa životinja čije je telo pokriveno dlakom ili krznom. Sisari rađaju žive mladunce. Postoji više od 5 hiljada vrsta sisara na Zemlji. Kreću se trčeći, skačući i leteći. Slepi miš je jedini leteći sisar, a kit najveći sisar na svetu koji živi u okenima. m.youtube.com Mammals (Discovery Channel)
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Gmizavci ili reptili su životinje čija telesna temperatura zavisi od temperature sredine. Zbog toga ih najviše ima u toplijim krajevima. Izlažući telo suncu oni čuvaju telesnu temperaturu. Na telu imaju krljušt koja čuva telo od gubitka vode, a na prstima imaju kandžice radi lakšeg kretanja. Polažu jaja. U gmizavce spadaju kornjače, gušteri i zmije koje nemaju noge. m.youtube.com Crocodile farm - Nature Park, Crocodile Farm in Palawan, Philippines, Puerto Princesa, crocodile motion, crocodile mac, Mac Mac is 17 feet long, 600 kg weigh...
Vodozemci su životinje koje su se privikle na život na kopnu, ali ne u potpunosti. Imaju promenljivu telesnu temperaturu. Koža im je sluzava i preko nje se odvija disanje. Polažu jaja i tako dobijaju mlade. m.youtube.com A scene of frogs in mating season: the call of the males, the journey of the females.
<div><span style="font-size:16px;">Top 20 World's Most Beautiful Fish In The Ocean</span></div><div><br></div><div>Top 20 world's most beautiful fishes in the ocean, the world is full of such beautiful creatures and animals.. and we are yet to discover all of them. But he...</div><div><br></div> www.youtube.com Top 20 world's most beautiful fishes in the ocean, the world is full of such beautiful creatures and animals.. and we are yet to discover all of them. But he...
Ptice su vrsta životinja koje imaju telo prekriveno perjem i šuplje kosti što im omogućava da lete. Danas je poznato oko 10 hiljada vrsta ptica na Zemlji. Imaju kljun i polažu jaja. Veliki broj ptica se u toku godina seli na povoljnije mesto za njihov život. Žive u svim delovima Zemlje pa i u gradovima sa čovekom. m.youtube.com Explore more: http://www.birdsofparadiseproject.org The Birds-of-Paradise Project reveals the astounding beauty of 39 of the most exquisitely specialized ani...
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