Our Planet: Episode 4 – Coastal Seas Name:
1.
The seas fringing land make up
less than a __________________of the
world’s oceans, but _________ % of
all marine creatures live in the
coastal waters.
2. Describe the creative way the group of Bottlenose Dolphins catch
their prey.
3. Which absorbs more carbon dioxide per area, sea grass or
rainforests?
4. Coral reefs cover less than _______% of the sea floor.
5. Most coral reefs are missing one important community member.
Who are they missing?
6.
How do the Gray Reef Sharks and the Whitetips work together to
catch their prey?
7.
What happens to corals if the waters increase by a degree?
8.
What portion of the world’s reefs have already died?
9.
What animal has the densest fur of any creature?
10. Why is it important for sea urchin numbers to be kept in check by
the otters and wrasse?
Our Planet: Episode 4 – Coastal Seas Name:
11. Name three animals that feast
On the herring near Alaska.
12. What is causing the numbers
of herring populations to decrease
so much?
13. What creatures are taking over areas where fish used to thrive?
14. Atacama is the world’s _________________________ desert.
15. For millions of years, birds have gathered in the Atacama. But 50
years ago these colonies had disappeared, but now they’re back.
Why?
16. Anchovies are so abundant, they can count for a _____________
of all the fish we harvest a year.
17. Name three animals that hunt for the anchovies each year.
18. How many seabirds did anchovies used to sustain?
19. A lagoon in Southeast Asia that used to occupied by a shark
fishing camp is now what?
20. Explain 2 results from protecting coastal sanctuaries.
Our Earth: Coastal Seas
1.
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4.
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20.
Answer Key
Tenth, 90
They circle them forcing them to jump in the air and the dolphins try to catch
them
Sea grass
Less than 1%
Sharks
The whitetips flush them out and the gray reef sharks force them into hiding
They expel the food that grow on them and they turn white
Half
Sea otter
Because they eat the kelp
Sea lions, humpback whales, and bald eagles
Commercial fishing
Jellyfish
Driest
They were overfished, but controls were introduced so the fish have come
back
Tenth
Cormorants, boobies, pelicans, sea lions
25 million
Nursery for baby sharks
Answers will vary, increasing numbers of species, better fishing in areas
around
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