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WorksheetsCoral aware
Total questions: 15
Worksheet time: 30mins
By area, more than ______ of the globe is covered by water and
land accounts for ______ of the total available living space
50 percent/one percent
0 percent/one percent
c. 70 percent/30 percent
98 percent/50 percent
Tiny, single-celled photosynthetic organisms that form the base of
the ocean’s food chain are called:
Phytoplankton
Zooplankton
Algae
Plants
Zonation of rocky intertidal organisms depends on which of the
following factors?
tidal levels.
physical factors.
biological factors.
density of periwinkle per square metre/square foot.
Kelps are vascular plants that are not important as
habitat for marine organisms.
false
true
Coral reefs are important to the marine environment because they:
are nursery grounds for 25 percent of all known marine species.
are storehouses for biodiversity.
act as barriers to protect island lagoons and coastal areas.
All of the above are correct.
Which of the following are not human-induced threats to coral reefs?
Fresh water inundation.
Using cyanide and dynamite to catch fi sh.
Siltation that results from coastal construction.
Anchor damage.
Plastics in the aquatic environment, it is not true
are sometimes mistaken by animals as food.
may not degrade for hundreds of years.
entrap or strangle fi sh, mammals and birds.
always float and wash up on shore.
Many fi sheries face collapse due to pollution, habitat
destruction and overfishing.
true
false
What are some of today’s less destructive fishing practices
Long-lines
Poisons
Explosives
Fly fishing
Effective coastal zone management encompasses the following:
water and watershed management.
shoreline management.
body of water management.
all of the above.
Most oil enters the aquatic environment from landbased
sources, such as runoff from parking lots and structures and
effl uent from wastewater treatment plants
true
false
Primary threats that effect many of these regions include:
oil pollution.
population and industry growth.
chemical and heavy metal pollution.
All are correct.
To dive aware, you should not (choose all that apply)
Interact passively with the environment.
Perfect your buoyancy control.
Streamline your dive equipment.
Collect a shell to remember your dive.
You can responsibly remove trash from the aquatic
environment by taking which of the following actions aren´t?
Participating in International Cleanup Day.
Picking up all debris, even if it has animals in
it or on it.
Removing trash or debris on every dive.
Collecting data on trash you remove from the
aquatic environment.
Artificial reefs benefit natural reefs by
Providing additional hard substrate
Reducing diving and fishing pressure on the
natural reefs
Gathering scientific data on reef development.
All options
