APES VOCAB QUIZ #1b Crossword
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
                                                   
 
 
Down: 2) bacteria convert nitrate (NO3)- and nitrite (NO2)- back into N2 gas; bacteria convert ammonia (NH3) back into N2 or N2O – typically accomplished by anaerobic bacteria3) break down of carbohydrates without oxygen – products are methane (CH4), alcohols and other organics4) plants convert atmospheric carbon (CO2) into complex carbohydrates (glucose C6H12O6); energy is consumed and oxygen is released as a waste product5) nitrogen is converted into ammonia by ammonifying bacteria; may occur when nitrogen in organic wastes in the soil are converted to ammonia or when atmospheric nitrogen (N2) is converted to NH36) process where water is absorbed by plant roots, moves up through plants, passes through pores (stomata) in leaves or other parts, evaporates into atm. as water vapor Across: 1) runoff of animal wastes, fertilizer, discharge of sewage; limiting factor in freshwater ecosystems; excess P leads to eutrophication7) it does not exist as a gas, but is released by weathering of phosphate (PO4)3- rocks; this is a SEDIMENTARY cycle – it is never found as a gas8) inorganic N2 is converted into organic molecules such as DNA/amino acids & proteins - plants assimilate nitrogen as NH4 + or NO3 - through their roots; animals (herbivores) assimilate organic nitrogen compounds by eating plants9) small range, large territory, or live on an island10) O2-consuming producers, consumers & decomposers break down complex organic compounds & convert C back into CO2; energy is released and oxygen is consumed in the process
 

 

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