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WorksheetsAbiotic Factors in Marine Ecosystems
Total questions: 20
Worksheet time: 10mins
Name
Class
Date
1.
Which of the following is NOT a biotic factor?
a)
Walrus
b)
Squid
c)
Salinity
d)
Algae
2.
Which of the following is an abiotic factor that affects marine ecosystems?
a)
Pressure
b)
Algae
c)
Pedators
d)
Food Web
3.
Which of the following organisms pulls carbon from the atmosphere to make food?
a)
Dolphins
b)
Sharks
c)
Phytoplankton
d)
Fish
4.
Which of the following is the process of pulling CO2 form the atmosphere to make food?
a)
Photosynthesis
b)
Cellular Respiration
c)
Decomposition
d)
Nitrification
5.
When plants and animals die their bodies _______ and carbon atoms are returned to the atmosphere.
a)
Cellular Respiration
b)
Decomposition
c)
Nitrification
d)
Photosynthesis
6.
Which of the following does NOT release access carbon into the atmosphere?
a)
Driving a Car
b)
Drinking from plastic bottles
c)
Leaving on the lights
d)
Leaving the faucet running
7.
Where is the largest store of carbon contained?
a)
Atmosphere
b)
Oceans
c)
Fossil Fuels
d)
Plants
8.
Which of the following processes returns water to the atmosphere through the leaves of plants?
a)
Transpiration
b)
Condensation
c)
Evaporation
d)
Precipitation
9.
This is an example of which of the following processes?
a)
Precipitation
b)
Condensation
c)
Evaporation
d)
Transpiration
10.
Which of the following processes is shown in number 5?
a)
Surface Runnoff
b)
Evaporation
c)
Condensation
d)
Percolating
11.
Which of the following is NOT a form of precipitation?
a)
Rain
b)
Snow
c)
Clouds
d)
Sleet
12.
Surface runnoff is more likely to occur in which of the following areas?
a)
Urban
b)
Rural
c)
Undeveloped
d)
Agricultural
13.
Which of the following is the process in which bateria take nitrogen from the air and turn it into something plants can use?
a)
Nitrification
b)
Denitrification
c)
Mineralization
d)
Eutrofication
14.
How is nirtrogen then passed on to the other kingdoms such as animals?
a)
Plants decompose
b)
Animals eat the plants
c)
Transpiration
d)
Photosynthesis
15.
Which of the following is NOT a way that nitrogen is cycled through the environment?
a)
Runoff
b)
Plant Consumption
c)
Decomposition
d)
Precipitation
16.
Acid rain has been linked to all the following except?
a)
A decline in fish populations in thousands of lakes and streams
b)
Reduced rates of forest growth.
c)
Respiratory diseases and cancers in humans.
d)
The depletion of the Earth's ozone layer.
17.
Eutrophication is the enrichment of a body of water with excess amounts of nutrients. What is the main effect of excess nitrogen in
a)
Algae growth does not change
b)
Algae growth is low
c)
Algae growth is high
d)
Algae does not grow at all
18.
Atmospheric nitrogen (N₂ gas) be taken up and used by plants and animals easily: True or False
a)
Ture
b)
False
19.
Ocean acidification is a result of an increase of which of the following elements?
a)
Nitrogen
b)
Carbon
c)
Sulfer
d)
lead
20.
Which of the following is caused by ocean acidification?
a)
Coral bleaching
b)
Eutrofication
c)
Shelled organisms not being able to build their shells
d)
Plankton Blooms
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