What is the keystone species for the Pacific northwest?
A: kelp
B: sea urchin
C: fish
D: sea otter
A: kelp
B: sea urchin
C: fish
D: sea otter
D
举一反三
- Listen to the statement and circle the appropriate letter. What is the topic of this statement A: sea urchins B: sea otters C: the relationship of many sea living creatures in the kelp forest
- 中国大学MOOC: China is flanked by the Bohai sea, the Yellow sea, the ____ and South China Seas with the Pacific to the east.
- Fish ______ from prehistoric sea creature.
- China is flanked by the Bohai sea, the Yellow sea, the ____ and South China Seas with the Pacific to the east. A: West B: East C: North D: Black
- What does the abbreviation MSL stand for on a nautical chart A: Mean sea light. B: Mean sea level. C: Moment sea level. D: Moment sea light.
内容
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There are as good fish in the sea ever came out of it.
- 1
There are a lot of small living things in the sea, and ______. A: they live by eating fish B: they depend on fish for their food C: they are good food for fish
- 2
The state of California is on ______. A: the Atlantic Coast B: the Gulf of Mexico C: the Pacific Coast D: Carribean Sea
- 3
In summer, monsoon over the South China Sea blows from __( )__ .(1.0) A: northeast B: southwest C: southeast D: northwest
- 4
爱琴海 A: Mediterranean Sea B: Aegean Sea C: Black Sea D: Ionian Sea