How does increased CO2 concentration affect ocean pH? A) It increases pH B) It decreases pH C) It has no effect D) It fluctuates pH

What is the main consequence of lower pH levels in ocean water? A) Increased oxygen levels B) Decreased carbonate ion concentration C) Increased fish populations D) Higher temperatures

Which marine organism is most affected by ocean acidification due to its calcium carbonate shell? A) Jellyfish B) Sea turtles C) Coral D) Seaweed

How does ocean acidification impact coral reefs? A) It enhances coral growth B) It leads to coral bleaching C) It has no impact D) It increases coral diversity

What is the effect of ocean acidification on marine food webs? A) It strengthens food webs B) It disrupts food webs C) It has no effect D) It increases species diversity

Which of the following is a biological effect of ocean acidification on fish? A) Enhanced growth B) Altered behavior C) Increased reproduction D) Improved health

What role do carbonate ions play in marine ecosystems? A) They are a source of energy B) They are essential for shell formation C) They increase acidity D) They are waste products

How does ocean acidification affect the ability of shellfish to form shells? A) It makes shell formation easier B) It has no effect C) It hinders shell formation D) It increases shell thickness

What is a potential long-term impact of ocean acidification on marine biodiversity? A) Increased species richness B) Loss of sensitive species C) Enhanced ecosystem stability D) Greater genetic diversity

Which of the following is a method to mitigate ocean acidification? A) Reducing carbon emissions B) Increasing fish farming C) Promoting plastic use D) Expanding coastal development

What is the relationship between ocean acidification and climate change? A) They are unrelated B) Ocean acidification is a result of climate change C) Climate change reduces ocean acidification D) They both improve marine life