Topic 2: Ecology (HL)
7 review questions with answers for Topic 2: Ecology (HL). Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
Industrial process converting N₂ and H₂ into ammonia for use as fertilizer?
- Nitrification
- Denitrification
- Methanogenesis
- Haber processRight answer
All 7 questions and answers
Industrial process converting N₂ and H₂ into ammonia for use as fertilizer?
Answer: Haber process
Bacterial conversion of atmospheric N₂ into ammonia; makes nitrogen available to plants?
Answer: Nitrogen fixation
Bacterial conversion of nitrates to N₂ gas; only occurs in anaerobic conditions?
Answer: Denitrification
Bacterial conversion of ammonia to nitrates in aerobic soils?
Answer: Nitrification
Production of methane from dead organic matter by microorganisms (archaea) in anaerobic conditions?
Answer: Methanogenesis
Irregular cycle of warming and cooling of the tropical Pacific Ocean surface, with linked shifts in air pressure, recurring every 2–7 years?
Answer: ENSO (El Niño Southern Oscillation)
A stable community maintained by human interference rather than natural processes?
Answer: Plagioclimax
Play it as a class game
Play this set opens it in splycr, where you can host it for your class straight away. Hosting needs no account: put the room code on the projector, and students join from a phone with the code and their first name. Each question plays as multiple choice, and the three wrong options are other answers from the same set.