Match the following vocabulary with the definitions. 1. occurring in the presence of oxygen glycolysis 2. the stage of respiration that occurs in anaerobic condition in animal cells lactic acid fermentation 3. the first step in the chemical breakdown of glucose anaerobic 4. occurring in the absence of oxygen aerobic 5. the stage of respiration that occurs in anaerobic conditions in less complex organisms alcohol fermentation

About __ of the mass of the cell is water

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere

Which of the following matches the organisms described with the correct domain? a. archaea--multicellular, eukaryotic organisms that do not have cell walls b. eukarya--single-celled and multicellular organisms, with a defined nucleus and a variety of nutritional sources c. bacteria--unicellular, eukaryotic organisms with cell walls that do not contain peptidoglycan d. bacteria--unicellular, eukaryotic organisms that always lack cell walls