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WorksheetsL.2.1 Review (Ecosystems)
Total questions: 10
Worksheet time: 3hrs 30mins
Name
Class
Date
1.
The American grasslands are home to which types of animals?
a)
elephants,
lions, and zebras
b)
foxes,
prairie dogs, and rabbits
c)
lizards,
tortoises, and weasels
d)
wolves,
deer, and bears
2.
Which type of ecosystem has the greatest variation in temperature from its top to its bottom?
a)
lake
b)
pond
c)
ocean
d)
estuary
3.
Which ecosystem contains the largest mammals?
a)
ocean
b)
pond
c)
river
d)
swamp
4.
Which best describes what makes one ecosystem different from another?
a)
the amount of sunlight, rainfall, temperature, and species types
b)
the amount of animals, oxygen, plant life, and pollution
c)
the amount of carbon dioxide, oxygen, water, and soil
d)
the amount of soil, water, buildings, and humans
5.
Which is most accurate in describing an estuary ecosystem?
a)
High salt levels keep the water clear of nutrients and proteins.
b)
Freshwater mixes with saltwater to provide a nutrient-rich environment.
c)
Animals and plants compete for food due to pollution from surrounding areas.
d)
Cold water mixes with saltwater to create a cooling effect that encourages growth.
6.
Which could be a challenge for a small animal living in a grassland ecosystem?
a)
The frozen ground is too hard to serve as shelter.
b)
The flat terrain makes it easy for predators to spot prey.
c)
The extreme temperatures require thick skin and heavy fur.
d)
The high amounts of precipitation create excess water resources.
7.
Which best describes a desert during the day?
a)
cold and wet
b)
cold and dry
c)
hot and wet
d)
hot and dry
8.
Which best describes a lake ecosystem?
a)
contains only salt water
b)
contains only freshwater
c)
contains both freshwater and salt water
9.
An ecologist is comparing two different ecosystems and creates the following list of similarities:
*aquatic
*diverse fish life
*high salt concentration
*plentiful light at the water’s surface
Which two ecosystems was the ecologist most likely comparing?
*aquatic
*diverse fish life
*high salt concentration
*plentiful light at the water’s surface
Which two ecosystems was the ecologist most likely comparing?
a)
ocean and lake
b)
estuary and ocean
c)
grassland and pond
10.
Which statement best describes how ponds and lakes are similar?
a)
The temperature of the water increases as depth increases.
b)
Most organisms live in the deepest part of the bodies of water.
c)
More plant life is found in the shallow areas of lakes and ponds.
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