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WorksheetsEcosystems 2
Total questions: 10
Worksheet time: 6mins
Name
Class
Date
1.
In the food chain, the grasshopper would be classified as a
a)
consumer
b)
producer
c)
decomposer
d)
predator
2.
All animals depend on plants for food. Some animals eat plants for food, and other animals eat animals that eat plants. The plants depend on a source of energy too. What source of energy do the plants depend on?
a)
the animals
b)
the sun
c)
other plants
d)
the bacteria
3.
The Arctic fox has to compete with other predators for its food sources. The main food sources for the Arctic fox are rabbits and other small rodents. What would happen if competition for food in the Arctic increased and it was difficult for the Arctic fox to find its prey?
a)
the fox population will decrease
b)
the fox population will increase
c)
the fox population will be the same
d)
the fox population will increase and then decrease a little
4.
When total environmental change happens quickly, as it did for the dinosaurs, what is the MOST likely result?
a)
adaptation
b)
hibernation
c)
extinction
d)
migration
5.
Impala share the African plains with other grazing animals and predators. Which change would lead to a DECREASE in the impala population?
a)
a reduction in the lion population
b)
an increase in the number of other grazing animals
c)
an increase in restrictions on hunting impala
d)
a reduction in the populations of other impala predators
6.
In the warm southwest United States rabbits are brown and have long ears. In polar regions rabbits are white and have shorter ears. Why do rabbits from polar regions have white fur?
a)
the white fur is more attractive
b)
the white fur camouflages them in the snow
c)
the white fur reflects more light for warmth
d)
the white fur makes them stand out
7.
The wolf is an ancient predator. It is a social animal, traveling as a family made up of a mated pair, and the pair's adult offspring. What adaptation would be the most helpful for a wolf to track, catch, and kill its prey?
a)
camouflage
b)
large teeth
c)
great speed
d)
hunting in packs
8.
Owls can be found all over Georgia. Owls hunt at night. Which adaptation helps an owl sneak up and surprise its prey without making any noise?
a)
sharp talons
b)
keen eyesight
c)
silent feathers
d)
excellent hearing
9.
The woolly mammoth lived during the Ice Age. Why did it become extinct?
a)
disease
b)
polltution
c)
over-hunting
d)
habitat change
10.
Organisms become extinct for many reasons. All BUT one is reason for extinction. That is
a)
adaptations
b)
over-hunting
c)
climate change
d)
habitat destruction
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