Mida tead taimede elutegevusest?

1.Taimede tähtsamad organid on: .......................................................................
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2.Toitaineid valmistatakse taime ............................................. .
3.Toitainete tootmiseks vajalikud ained saab taim .........................................
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4.Valmis toitaineid kasutab taim: ..........................................................................
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5.Kuidas eritavad taimed jääkaineid?
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6.Kirjuta siia põhjused, miks ei saa inimesed elada taimedeta!
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Mida tead loomade elutegevusest?

1. Miks peavad loomad sööma?
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2. Mis juhtub söödud toiduga meie sees?
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3. Miks me peame hingama?
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4.Mis ülesanne on ringeelundkonnal?
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5. Kuidas vabaneme jääkainetest?
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