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Biology Unit 2 - Ecology
Test Description: Biology Unit 2 - Ecology
Instructions: Answer all questions to get your test result.
1) Organisms belonging to the same species living together in the same place at the same time are a _____________.
A
ecosystem
B
population
C
niche
D
community
2) Organisms that use any outside energy source, such as the sun, to produce energy-rich molecules are called:
A
decomposer
B
producer
C
herbivore
D
carnivore
3) If the rodent population decreases in a country ecosystem, what happens to the owls?
A
The owl numbers decrease
B
The owls become extinct
C
The owl numbers remain the same
D
The owl numbers increase
4) Ticks that attach to a host to eat the host's blood is an example of
A
commensalism
B
isolationism
C
parasitism
D
mutualism
5) Lichens living on a tree, without changing the tree is an example of
A
isolationism
B
mutualism
C
parasitism
D
commensalism
6) If a lion kills and eats an antelope, which of the following would NOT describe the lion?
A
heterotroph
B
carnivore
C
biotic factor
D
autotroph
7) What is the main source of energy for life on Earth?
A
grasses
B
the sun
C
algae
D
soil
8) What happens to most of the energy lost from one trophic level to the next?
A
released as heat
B
used as energy for the predator
C
energy is not lost from one trophic level to the next
D
stored as fat
9) The flood last year caused an increase in rodent populations. What other population would increase as a result of the larger rodent population?
A
rabbit
B
Butterfly
C
rattlesnake
D
wildflower
10) Which of the following adaptations would NOT benefit an animal living in a cold climate?
A
blubber layer
B
thick fur
C
scales
D
white fur
*select an answer for all questions
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