CPSC 112 Chapter Notes - Chapter 7: Agronomy, Transpiration, Radiant Energy
9 Oct 2018
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Primary producers create biomass from inorganic compounds (autotrophs) Remember how sugar and oxygen is created. Three steps: co2 enters leaf by diffusion, light energy is captured through a photochemical process (light-dependent, carbon assimilated through a biochemical process a (light-independent) Respiration: the conversion of sugars through photosynthesis (atp) for use in the metabolism of living cells. Used for maintenance, growth building new tissues. Occurs both in the cytoplasm and mitochondria. Transpiration: the process of water loss from stomata of plants. Individual crop plants such as corn and sunflower can transpire from 0. 5 gallon to more than 1 gallon (2 - 5 liters) per day. Trees transpire more than 50 gallons (200 liters) per day. Driven by the sun"s energy and a moisture concentration gradient. Water moves along a gradient from the roots, where there is the most water (high concentration) to the leaves, where there is the least water (low concentration)
