8. Do textu doplň chýbajúce pojmy v správnom tvare. kloaka, ústny a vyvrhovací otvor, hrvol, radula, bunkové ústočka, plynový mechúr,

Črievička na príjem potravy využíva
Prhlivce a ploskavce
majú tráviacu dutinu, spoločný
Mäkkýše majú jazýček -
a chitínové zúbky na strúhanie. Väčšina rýb používa
ktorý vyrovnáva rozdiel hmotnosti tela ryby a vody a tým nadľahčuje telo.
je rozmnožovací a vylučovací orgán obojživelníkov, plazov
a vtákov. Potrava vtákov sa zhromažďuje v
rozšírenom pažeráku.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return