Compare photosynthesis and respiration to determine whether an ecosystem acts as a carbon sink or source.
Tę umiejętność sprawdzają 3 zadania wzorowane na arkuszach IB z lat 2025–2026.
A regenerating woodland is accumulating carbon in living biomass. Which process initially transfers atmospheric carbon into this carbon sink? A. Release of carbon dioxide during respiration B. Oxidation of fallen wood by decomposers C. Combustion of dry…
In an iron-limited marine region, adding iron briefly stimulates phytoplankton growth. What is a plausible immediate consequence? A. Reduced primary production because the limiting nutrient was added B. Increased photosynthetic uptake of carbon dioxide from…
Identify two natural carbon stores other than the ocean that can keep carbon out of rapid atmospheric circulation.
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