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RAZNOLIKOST PTICA

RAZNOLIKOST PTICA. – parenje – svadbeno ruho, glasanje, udaranje krilima, poskakivanje. – gnijezda – iz različitoga materijala. – potomstvo – briga do osamostaljivanja. lastavica. – selice – divlja patka, lastavica, roda, prepelica i dr. vrabac. crni kos. sjenica.

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RAZNOLIKOST PTICA

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  1. RAZNOLIKOST PTICA

  2. – parenje – svadbeno ruho, glasanje, udaranje krilima, poskakivanje

  3. – gnijezda – iz različitoga materijala

  4. – potomstvo – briga do osamostaljivanja

  5. lastavica – selice – divlja patka, lastavica, roda, prepelica i dr.

  6. vrabac crni kos sjenica – stanarice – vrabac, sjenica, kos, vrana, svraka

  7. bjeloglavi sup – grabljivice – svinut kljun, oštre pandže, dobar vid

  8. – močvarice – duge noge, dug kljun, dug vrat– prilagodba – na stanište, hranjenje, godišnje doba…

  9. PODRIJETLO PTICA – predci praptice – srodnici dinosaura – fosil praptice – obilježja gmazova – kosti nisu lagane – zubi u čeljustima – pandže na krilima – dug rep s kralješcima – obilježja ptica– perje – prednji udovi preobraženi u krila – kljun

  10. – važnost ptica – hrana štetni kukci, miševi i drugi sisavci štetni u poljima – domaće ptice – čovjek uzgaja radi mesa, jaja, perja

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