WorksheetsTopic 4 Review
Total questions: 23
Worksheet time: 14mins
What amount of water present in the hydrosphere is freshwater?
3%
6%
12%
0.1%
Which of the following contains the greatest proportion of freshwater?
Atmosphere
Rivers, lakes, streams
Ice Caps and Glaciers
Within Organisms
What type of pollution comes from cattle ranches that allow livestock to feed along streams
Point
Non-Point
Eutrophication is caused by
excess nutrients building up in the water.
industrial point-source pollution.
unlined landfills and septic tanks.
wastewater from homes mixing with drinking water.
A new golf course is built next to a river. Over the past several months, the nitrate levels of the water in the river have been increasing. Which best explains the cause of the increasing nitrate levels?
increased growth of algae
decreased biodiversity
runoff from fertilizer
chemical reactions with pesticides and fertilizers
Which of these is not an example of a common resource (think: tragedy of the commons)?
The air
The ocean
Privately owned farms
A public forest
What type of fishing has baited hooks are attached to a single fishing line that trails behind a ship
Pole Fishing
Long Line Fishing
Purse Seining
Trawling
The amount of a resource that can be harvested without reducing the amount of future harvests.
Resource Management
Ecosystem Based Management
Deforestation
Maximum Sustainable Yield
The two critical nutrients in eutrophication are... (select two)
nitrates
phosphates
carbon dioxide
dissolved oxygen
Of the 15 water scarce countries, 12 are in...
United Kingdom and Canada
America and Canada
Southwest Asia and North Africa
Russia and Germany
What is an underground store of water in permeable rock?
sewage system
aquifer
precipitation
irrigation
High specific heat capacity of water means that the oceans change temperature more slowly, this affects land close to oceans
Severe winters and very hot summers
Severe winters and cool summers
Moderate winters and cool summers
Moderate winters and very hot summers
type of fishing has the lowest rates of bycatch.
Pole Fishing
Long Line Fishing
Purse Seining
Trawling
Which is true about aquaculturing?
The amount of aquacultured fish has decreased significantly in favor of wild-caught fish.
Aquaculturing requires the same inputs as other forms of animal agriculture, including feed and antibiotics.
Aquaculture operations do not affect the surrounding ecosystem in any adverse way.
All of the above are true.
What is the difference between aquaculture and fisheries?
Aquaculture raises ocean species, while fisheries raises freshwater species
Aquaculture requires feeding fish other fish, while fish in fisheries can eat soybean and corn
Aquaculture involves raising aquatic species, while fisheries are natural resources harvested without direct human input
Fisheries involves raising aquatic species for feeding to aquaculture species
What happens to plastic waste?
Sinks to the bottom and gets buried under the sand
It never fully goes away, it just breaks into little pieces
Dissolves and decomposes in the water
It is dumped in the ocean for fish to eat
What is a micro-plastic?
a tiny particle created when larger plastic items, tooth brushes, bottles, bags, break down over decades
invisible organisms in the air
molecules in the water
smoke in the air
What are three ways to clean up oil spilled in the water?
burning, skimming, and containment
scooping, looping, and tubing
soaking, booming, and microbes
hope, pray, wish upon a star
