Multiple ChoiceWhich of the following best describes gross primary productivity (GPP) in an ecosystem?89views
Multiple ChoiceWhich of the following are direct outputs of the light-dependent reactions of photosynthesis?71views
Multiple ChoiceWhat do plants do with the carbon they take in from the atmosphere during photosynthesis?88views
Multiple ChoiceWhich of the following incorrectly describes mechanisms of CO\(_2\) transport in plants during photosynthesis?74views
Multiple ChoiceWhy is it necessary for six molecules of CO\(_2\) to enter the chloroplast during photosynthesis?78views
Multiple ChoiceIf photosynthesis were to stop completely on Earth, which of the following would most likely occur?90views
Multiple ChoiceWhat would be the expected effect on plants if the atmospheric CO\(_2\) concentration was doubled?82views
Multiple ChoiceWhat would most likely happen to a plant cell if its chloroplasts stopped functioning properly?208views
Multiple ChoiceWhich process in living organisms evolved as oxygen levels increased in Earth's atmosphere?366views
Multiple ChoiceWhich of the following organisms is capable of manufacturing its own food through photosynthesis?422views
Multiple ChoiceWhich of the following best describes a key difference between photosynthesis and cellular respiration?90views