Multiple ChoiceWhich combination of inputs is required for photosynthesis in oxygenic photoautotrophs such as plants?1views
Multiple ChoiceWhy might it be adaptive for stomata to occur mostly (if not entirely) on the undersides of leaves?79views
Multiple ChoiceWhich phrase correctly defines net production efficiency? The amount of energy—66views
Multiple ChoiceWhich of the following are the primary photosynthesizers in terrestrial ecosystems?71views
Multiple ChoiceIn the context of photosynthesis, the carbon that plants incorporate into sugars primarily comes from which source?1views
Multiple ChoiceWhich of the following best explains how consumers obtain energy originally derived from the sun?69views
Multiple ChoiceWhich of the following is the major biological source of dissolved oxygen in Earth's atmosphere?70views
Multiple ChoiceHow does the tilt of the Earth affect the amount of sunlight received at different locations on the planet?91views
Multiple ChoiceWhich of the following best describes the primary purpose of photosynthesis in plants?85views