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WorksheetsAcidic and alkaline marine systems
Total questions: 13
Worksheet time: 6mins
What do some marine creatures do with the carbonate ion?
use it as a food source
use it as a defense mechanism
use it to build shells and exoskeletons
use it to cool body temperatures
Who gets affected by ocean acidification?
humans
marine animals
neither
humans and marine animals
What will happen to the ocean if the acidity gets too high?
nothing
animals will die
the ocean's chemistry will change
If seawater becomes more acidic, __________ forms and stresses shell-forming sea creatures.
carbonate
bicarbonate
nitrite
sulfur dioxide
What can you learn from this image?
High temperatures creates more shellfish
At lower pH levels, there's more carbonate ions for marine calcifiers
At a pH level just above 8, and with less atmospheric CO2, the ocean will be less acidic and healthy
Nothing
What pH levels are the most harmful to marine life? [There may be more than one answer]
5 and below
9 and above
7
Not enough information
