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Relationships In Ecosystems (7.MS-LS2-2)
Test Description: 7.MS-LS2-2
Instructions: Answer all questions to get your test result.
1) There are always more.....
A
invasive species than native species
B
prey than predators
C
predators than prey
D
hosts than parasites
2) Two male peacocks fighting over a female is an example of
A
a symbiotic relationship
B
interspecies competition
C
a predator prey relationship
D
intraspecies competition
3) A wolf and a bear both try to eat the same dead deer. Which of the following does NOT describe that relationship?
A
competition
B
symbiotic
C
dependency
D
predation
4) What relationship exists between a grasshopper and a plant?
A
dependency
B
predation
C
mutualism
D
competition
5) Which symbiotic relationship is shown when a bird builds a nest in a tree?
A
commensalism
B
mutualism
C
parasitism
D
competition
6) When niches overlap, which relationship often happens?
A
parasitism
B
dependency
C
competition
D
mutualism
7) Which statement is correct?
A
All ecosystems have examples of some types of relationships
B
All ecosystems have examples of all types of relationships
C
Most ecosystems have examples of most types of relationships
D
No ecosystem has examples of all types of relationships
8) Lice on a human scalp is an example of...
A
commensalism
B
mutualism
C
parasitism
D
predation
9) What would most likely happen to a prey population if their predators disappeared?
A
They would immediately go extinct
B
They would run out of resources
C
Their population would continue to increase without stopping
D
Their population would level out
10) What is one reason for why a mouse and a plant are not in a predatory relationship
A
The mouse doesn't eat the grass
B
They are in a parasitic relationship
C
The mouse doesn't hunt the grass
D
trick question: they ARE in a predatory relationship
*select an answer for all questions
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