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