Construct a carbon-cycle diagram linking photosynthesis, feeding and respiration within an ecosystem.
Tę umiejętność sprawdza 9 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Carbon participates in molecular structures, ecosystem transfers and changes to the global environment. (a) Outline bonding properties that allow carbon to form many different molecules. (b) Describe processes that transfer carbon through an ecosystem. (c)…
Biological function depends on coordinated structures and recurring processes. (a) Outline the roles and regulation of progesterone during the menstrual cycle. (b) Describe the polymerase chain reaction. (c) Explain how carbon is recycled through a terrestrial…
Identify the processes at W and Z. A. W: photosynthesis; Z: decomposition B. W: respiration; Z: decomposition C. W: respiration; Z: combustion D. W: photosynthesis; Z: combustion
Which two labelled carbon transfers represent respiration? A. Q and S B. P and R C. P and Q D. R and S
Outline stages of the carbon cycle involving plants or materials originating from plants.
Which two labelled transfers in this simplified carbon-cycle diagram represent respiration? Unlabelled routes are not part of the choice. A. P and Q B. P and S C. Q and R D. R and S
A sealed terrestrial mesocosm exchanges energy but no matter with its surroundings. Which quantities may change over several days? I. Total carbon in the whole vessel II. Temperature III. Mass of living organisms A. I only B. I and II C. II and III D. I, II…
Which processes can transfer carbon along X and Y? A. X: photosynthesis; Y: burial B. X: respiration; Y: combustion C. X: feeding; Y: photosynthesis D. X: fossil formation; Y: nitrogen fixation
Plants participate in energy flow and carbon cycling. (a) Outline energy flow through an ecosystem. (b) Describe how plants influence atmospheric carbon dioxide.
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