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Boost Review: Ecosystems
Test Description: 8.L.3: Understand how organisms interact with and respond to the biotic and abiotic components of their environment
Instructions: Answer all questions to get your test result.
1) A tick attaches itself to a dog and sucks the dog's blood. This is and example of________
A
Commensalism
B
Mutualism
C
Parisitism
D
Competition
2) Which pair of organisms is most likely to have a predator/prey relationship?
A
Dog/Tick
B
Hawk/Mouse
C
Horse/Oxpecker Bird
D
Mushroom/Tree
3) Which of the following removes Carbon Dioxide from the atmosphere during the Carbon Cycle?
A
Combustion
B
Respiration
C
Photosynthesis
D
Decomposition
4) Which of the following is an abiotic factor that plants may compete for?
A
Water
B
Bacteria
C
Connsumers
D
Sugar
5) What is a NIche?
A
A group of organisms that can reproduce and produce fertile offspring.
B
The place an organism lives.
C
All the populations that live in an area at the same time
D
An organism's role in the environment.
6) A group of organisms of the same species living in the same place is a_______
A
Population
B
Ecosystem
C
Niche
D
Community
7) Which of ehe following isa a symbiotic relatioship in which both organisms benefits?
A
Competition
B
Mutalism
C
Parasitism
D
Commensalism
8) The process by which bacteria return nitrogen gas to the atmosphere is called_____
A
Denitrification
B
Nitrogen Fixation
C
Reproduction
D
Transpiration
9) Which of the following is a primary consumer?
A
Rabbit
B
Hawk
C
Grass
D
Fox
10) How much of the energy from one trophic level is transferred to the next?
A
None of the energy is transferred.
B
All of the energy is transferred
C
About 10% of the energy transferred
D
About 1% of the energy is transferred
*select an answer for all questions
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