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7.11B Dependence on Oceans
By Mark Merrill
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Last updated about 6 hours ago
10 questions
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Interactive Website
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Word Bank
exoskeletons
runoff
suffocate
acid rain
bleaches
trawling
algal
lowers
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Question 9
9.
Which activities would increase carbon dioxide in the atmosphere? Select any that apply.
deforestation for farming and homes
car pooling, buses, trains
Question 10
10.
How do humans negatively impact the ocean? Select all that apply.
touching or breaking coral reefs
overfish
raising fish on a fish farm (hatchery) for commercial use
constructing artificial reefs
Question 1
1.
Ocean water absorbs carbon dioxide from the atmosphere which ____ the pH of ocean water.
Question 2
2.
Rain mixing with carbon dioxide in the air is called ____ _____. This type of rain lowers the pH of ocean water.
Question 3
3.
Acidic ocean water _____ coral reefs.
Question 4
4.
Acidic ocean water makes ____ weak so organisms do not fully grow.
Question 5
5.
Fertilizer _____ from farms increases nitrogen in the water.
Question 6
6.
Excess nitrogen causes ____ blooms.
Question 7
7.
Algal blooms can increase the temperature and _____ fish due to the excess bacteria that feed on decaying matter.
Question 8
8.
____ is an unsustainable fishing practice that drags the bottom of the ocean and kills coral.
using electric powered devices
planting trees
burning of fossil fuels