Where do plants grow in lakes?
1) Near the edges
2) In the middle
3)Everywhere
4) Nowhere
Near the edges
100
The ocean takes up about __% of Earth.
a. 45
b. 54
c. 70
d. 65
c. 70
200
A river which flows into another river is called
Tributary
200
what are the 2 types of wetlands?
marine & freshwater
200
What are man-made lakes called?
1)Reservoirs
2)Gullies
3)Inland seas
4)Stock ponds
Reservoirs
200
What is the largest ocean on Earth?
a. Atlantic Ocean
b. Pacific Ocean
c. Indian Ocean
d. Arctic Ocean
b. Pacific Ocean
300
The path water carves after millions of years is called what?
River
300
What is the percentage of land wetlands make up in the US?
-100%
-0%
-5%
-10%
5%
300
Too much ____________ in a lake can kill off plant and animal life.
Algae
Fishing
Swimming
Boat traffic
Algae
300
The Pacific Ocean cover about __% of Earth's surface.
a. 70
b. 50
c. 30
d. 10
c. 30
400
How do rivers usually start?
A)From an underground aquifer
B)From streams that get bigger
C)From a lot of rain falling in one place
D)From a glacier or snow melting high in the mountains
D
400
benefits to living organisms?
A)provide habitat
B)wildlife nursery
C)make food web
D)all of the above
D)all of the above
400
Lakes are also formed by ____________.
Volcanoes
Flooding
Mining
Earthquakes or giant sinkholes
Volcanoes
400
The third largest ocean on Earth is..
a. Atlantic Ocean
b. Pacific Ocean
c. Indian Ocean
d. Arctic Ocean
a. Atlantic Ocean
500
What causes drought to rivers?
Lack of rain
500
one type of aquatic plant?
zannichellia palustris
500
Some lakes were formed by rain water pooling behind __________.
Rock piles left by glaciers
Trees felled by beavers
Natural gullies
Sinkhole edges
Rock piles left by glaciers
500
How much water is in the Ocean?
a. 125 million cubic miles
b. 245 million cubic miles
c. 305 million cubic miles
d. 326 million cubic miles