Topic 4: Water (part 2)
9 review questions with answers for Topic 4: Water (part 2), marked SL. Read them here, or play the set as a class game on the projector. Free to host, and students join with a code.
Microscopic photosynthetic organisms forming the base of aquatic food webs?
- Eutrophication
- Aquaculture
- Fishery collapse
- PhytoplanktonRight answer
All 9 questions and answers
Microscopic photosynthetic organisms forming the base of aquatic food webs?
Answer: Phytoplankton
The highest annual harvest that can be sustained indefinitely without depleting the stock?
Answer: Maximum sustainable yield (MSY)
Sudden fall of a fish stock to a small fraction of its former size because harvesting exceeded the stock's regeneration rate?
Answer: Fishery collapse
Designated zones of ocean or coast where fishing and other extractive activities are restricted to conserve ecosystems?
Answer: Marine protected areas (MPAs)
Farming of aquatic organisms (fish, molluscs, crustaceans, plants) in controlled environments?
Answer: Aquaculture
Measure of dissolved oxygen consumed by microorganisms decomposing organic matter in water; indicates pollution?
Answer: Biochemical oxygen demand (BOD)
Excessive nutrient enrichment of water causing algal blooms, oxygen depletion and ecosystem damage?
Answer: Eutrophication
Rapid overgrowth of algae following nutrient enrichment; reduces light and oxygen in water?
Answer: Algal bloom
Single score combining several measured parameters (e.g. dissolved oxygen, pH, nitrates, turbidity) to summarize the condition of a river or lake?
Answer: Water quality index (WQI)
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.