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Ecology 2
Test Description: Test review
Instructions: Answer all questions to get your test result.
1) Which factor contributes to global warming?
A
better long-term weather forecasts
B
increased use of solar-powered cars
C
changing distance between Earth and Sun
D
increased burning of fossil fuels
2) Which event is the best example of competition between species in a pond environment?
A
dragonflies
B
lizards and snakes lying in the sun
C
frogs and toads eating flies
D
hawks eating mice
3) What is the result of cellular respiration?
A
oxygen is released for photosynthesis
B
energy for cell processes is released
C
nutrients are excreted to prevent the buildup of body fat
D
cells undergo decomposition
4) When a person breathes, the lungs absorb oxygen, which is used by cells to carry out the process of
A
respiration
B
photosynthesis
C
secretion
D
excretion
5) What is the original source of energy for any ecosystem?
A
sun
B
carbon dioxide
C
wather
D
oxygen
6) Why are bacteria and fungi necessary in an ecosystem?
A
They are producers
B
They are decomposers
C
They are carnivores
D
They are herbivores
7) An organism that hunts another is called a
A
producer
B
prey
C
predator
D
autotroph
8) An organism that eats both plants and animals is called a
A
carnivore
B
producer
C
herbivore
D
omnivore
9) The base or first level in an energy pyramid is always the
A
producer
B
herbivore
C
consumer
D
carnivore
10) Which of the following organisms is an herbivore?
A
lion
B
bacteria
C
hawk
D
tree
*select an answer for all questions
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