Trace holozoic nutrition through ingestion, digestion, absorption and assimilation of food.
Tę umiejętność sprawdza 6 zadań wzorowanych na arkuszach IB z lat 2022–2025.
Plant and animal cells use ATP while obtaining energy through different processes. (a) Explain why ATP is suited to transferring energy within cells. (b) Describe how light energy drives ATP formation in a plant cell. (c) Compare and contrast how types of…
Which description correctly characterizes holozoic nutrition? A. Autotrophic, with external digestion B. Heterotrophic, with internal digestion C. Saprotrophic, with only extracellular digestion outside the body D. Photoautotrophic, without ingestion
Which feature can be shared by an animal with holozoic nutrition and a saprotrophic fungus? A. Both always ingest solid food into digestive cavities B. Both obtain all carbon by fixing carbon dioxide C. Both digest food exclusively within individual lysosomes…
A unicellular ciliate is observed enclosing smaller living cells in food vacuoles and digesting them. What does this observation demonstrate? A. No single cell can digest food B. The ciliate obtains nutrition heterotrophically C. The ciliate must lack…
(i) State, with a reason, whether this animal is autotrophic or heterotrophic. (ii) Explain what information is needed to determine its trophic level.
How does feeding by a woodlouse on leaf litter differ from saprotrophic feeding by a fungus? A. The woodlouse ingests material before digestion; the fungus digests externally before absorbing products B. Both must fix atmospheric carbon using light C. The…
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