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Ecology
Test Description: Environment, adaptations, review
Instructions: Answer all questions to get your test result.
1) What is an adaptation?
A
a special characteristic which helps and organism survive in its environment
B
the process by which an organism finds food
C
the way in which organisms interact with their environment
D
the way an organism is colored
2) Which of the following adaptations is an example of camouflage?
A
being the same color as the tree trunk on which the organism lives
B
the ability to run very fast
C
having very sharp teeth
D
having sharp spikes on its skin
3) A bird eats and earthworm. Which of the following BEST describes the earthworm?
A
producer
B
prey
C
carnivore
D
predator
4) A special characteristic that helps an organism survive in its environment is called what?
A
a development
B
a survival stratedy
C
a mimic
D
an adaptation
5) Habitat reduction is a way in which
A
humans can have an impact on the environment
B
humans use land for hiking and fishing
C
humans can conserve natural resources
D
humans put polluntants in the air
6) Which of these is the demand for a resource by two or more organisms?
A
survival
B
adaptation
C
limited resource
D
competition
7) Which term describes the gradual change of an ecosystem?
A
adaptation
B
succession
C
land development
D
competition
8) Which of these adaptations protects and organism from its predators?
A
beak
B
fins
C
spines
D
claws
9) What is deforestation?
A
clearing land for the construction of new homes
B
polluting a forest
C
using paper products in a business
D
clearing a forest to use trees for lumber
10) Which of these BEST describes what happens when there is an increase of nutrients in the soil?
A
It may harm an ecosystem by increasing the growth of one type of plant.
B
It has no effect on an ecosystem.
C
It can be good for the organisms that live in the area.
D
It allows more organisms to survive.
*select an answer for all questions
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