Explain how ATP production and use release heat in both producers and consumers.
Tę umiejętność sprawdza 10 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Consider connections between biological processes at different levels of organization. (a) Outline three properties of energy-storage polysaccharides that make them effective reserves. (b) Describe the transfer of energy along a food chain. (c) Explain why…
A hypothetical production model gives the edible biomass obtained from100kg of feed. (i) State one reason why not all ingested energy becomes new animal biomass. (ii) Discuss the difference in feed conversion between cattle and fish. (iii) Deduce an advantage…
A fermentation vessel is used to grow microorganisms that manufacture a useful product. Explain why conditions in the vessel must be controlled carefully.
Outline how one harmful change caused by microbial activity could be prevented.
Distinguish between the energy efficiencies of beef and poultry production.
Suggest a reason for this difference.
This model pyramid gives annual energy flow through four trophic levels. Which conclusion follows from the values? A. The pyramid directly gives the number of organisms at every level B. The largest loss shown is reflected sunlight before it reaches producers…
This model pyramid gives annual energy flow through four trophic levels. Which conclusion follows from the values? A. The pyramid directly gives the number of organisms at every level B. The largest loss shown is reflected sunlight before it reaches producers…
Water availability can influence which plants survive in a community. (a) Outline energy flow through a natural community. (b) Explain how natural selection can increase drought resistance in a wild plant population.
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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