Part A Modified True/False
Indicate whether the sentence or statement is true or false.
If false, change the identified word or phrase to make the sentence
or statement true.
|
| |
1. |
Oceanographers can use samples
from the ocean floor to learn about sediments, nutrients, and marine
organisms.
|
| |
2. |
The greatest risk to the environment
from oil exploration and extraction are drilling rigs.
|
| |
3. |
Biodiversity can be defined as the
number of different types of organisms that live in a given area.
|
| |
4. |
The deepest parts of the ocean have
the greatest biodiversity.
|
| |
5. |
The only known sponge reefs in the
world are located off the coast of British Columbia.
|
| |
6. |
Estuaries are unique habitats
with a rich mixture of plant and animal life because of the mixing of
fresh water and salt water.
|
Part B Multiple Choice
Identify the letter of the choice that best completes the
statement or answers the question.
|
| |
7. |
The word SCUBA stands for
a. |
self-contained underwater bubble absorber |
b. |
self-contained underwater breathing absorber |
c. |
saltwater contains undesirable basic animals |
d. |
self-contained underwater breathing apparatus |
|
| |
8. |
Oceanographers can use satellite
images to learn about
a. |
global pollution |
c. |
the location of fish |
b. |
the location of whales |
d. |
sources of underwater oil |
|
| |
9. |
The majority of oil in an oil spill
is likely to
a. |
be cleaned up by humans |
c. |
cover the nearby coast |
b. |
be eaten by animals |
d. |
be evaporated by the sun |
|
| |
10. |
One type of organism that can be
found living in a tide pool is
a. |
a sea gull |
c. |
a sea star (star fish) |
b. |
a sea otter |
d. |
a sea lion |
|
| |
11. |
Which of the following is the correct
order of organisms from the top predator down to the producer?
1. herring (fish)
2. salmon (fish)
3. phytoplankton
4. seal
5. zooplankton
6. orca (killer whale)
a. |
2, 4, 5, 3, 1, 6 |
c. |
6, 4, 1, 2, 5, 3 |
b. |
6, 4, 2, 1, 5, 3 |
d. |
6, 4, 2, 1, 3, 5 |
|
| |
12. |
Coral reefs are often called the
“rainforests of the ocean” because they
a. |
they have high biodiversity and productivity |
b. |
they are extremely warm |
c. |
animals living there have bright colours |
d. |
they are easily damaged by humans |
|
| |
13. |
Ecosystems with a high level of diversity
are
a. |
able to withstand change |
c. |
prone to extinctions |
b. |
not able to withstand any changes |
d. |
not common |
|
| |
14. |
Productivity is a measure of
a. |
how well an organism is able to reproduce |
b. |
how well an organism is able to migrate |
c. |
how fast an organism is able to reach
full size |
d. |
how well an organism is able to compete for food |
|
| |
15. |
Aquaculture or fish farming may become
more important in the future because
a. |
fish prices are increasing |
b. |
global warming will likely increase |
c. |
wild fish stocks are decreasing |
d. |
not as many people are choosing fishing
as a career |
|
Part C Short Answer
Use sentences to answer the following questions.
|
| |
16. |
Define the term aquaculture.
|
| |
17. |
Satellites have provided us with
a wealth of knowledge about the oceans of the world. Provide four examples
of types of information that satellites gather for scientists.
|
| |
18. |
When an oil spill occurs at sea,
where does the oil go?
|
| |
19. |
Many countries send their fishing
fleets to the Grand Banks. Explain why it is such a rich fishing area.
|
| |
20. |
Explain the conditions in an estuary
that require the organisms that live there to have special adaptations.
|