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Ecosystem Dynamics — MCQs Biology

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1. Ecosystem dynamics refers to:





2. Energy in an ecosystem flows:





3. Matter in ecosystems cycles:





4. Primary productivity refers to:





5. Gross primary productivity (GPP) is:





6. Net primary productivity (NPP) is:





7. Secondary productivity refers to:





8. Ecological efficiency is:





9. Food chains are:





10. Food webs are:





11. Trophic levels represent:





12. Producers occupy which trophic level?





13. Primary consumers occupy which trophic level?





14. Secondary consumers occupy which trophic level?





15. Tertiary consumers occupy which trophic level?





16. Detritivores are:





17. Decomposers play a role in:





18. Ecological pyramids can represent:





19. Pyramid of numbers shows:





20. Pyramid of biomass shows:





21. Pyramid of energy shows:





22. Biogeochemical cycles include:





23. Carbon cycle involves:





24. Nitrogen cycle involves:





25. Phosphorus cycle lacks:





26. Water cycle involves:





27. Ecological succession refers to:





28. Primary succession occurs on:





29. Secondary succession occurs on:





30. Climax community is:





31. Disturbances in ecosystems can lead to:





32. Resilience in ecosystems refers to:





33. Resistance in ecosystems refers to:





34. Trophic cascades occur when:





35. Bottom-up control in ecosystems is driven by:





36. Top-down control in ecosystems is driven by:





37. Successional dynamics can be influenced by:





38. Ecosystem engineers are:





39. Examples of ecosystem engineers include:





40. Biodiversity affects ecosystem dynamics by:





41. Human activities affecting ecosystem dynamics include:





42. Primary succession typically leads to:





43. Secondary succession is faster than primary because:





44. Disturbance regimes include:





45. Ecosystem stability depends on:





46. Autotrophs drive ecosystem dynamics by:





47. Decomposers influence ecosystem dynamics by:





48. Ecosystem productivity is influenced by:





49. Succession and disturbance together determine:





50. Understanding ecosystem dynamics is essential for:





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