Ap biology exam essay (free response) questions general directions b water serves as a reactant and a product in the carbon cycle discuss the.
Visit the college board on the web: wwwcollegeboardorg question 4 matter continuously cycles through an ecosystem a simplified carbon cycle is depicted .
The element carbon is contained in all organic compounds (a) discuss the role of photosynthesis and cellular respiration in carbon cycling in the biosphere.
Learn how carbon moves through earth's ecosystems and how human image credit: biogeochemical cycles: figure 3 by openstax college, biology, cc by.
Carbon cycle carbon in air and in water is absorbed by plants and becomes carbon compounds in their tissues when they photosynthesise the carbon, from .