Ecology Unit test review
Authored by Eva Pena
Biology
9th Grade
NGSS covered
Used 109+ times
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40 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What do scientists consider when measuring biodiversity in a habitat?
Scientists consider only plants
Scientists consider only animals
Scientists consider only fungi
Scientists consider all living organisms (plants, animals, fungi, bacteria, etc.)
Tags
NGSS.MS-LS2-5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are limiting factors?
Limiting factors are factors that limit the size of a population.
Limiting factors are factors that increase the size of a population.
Limiting factors are factors that destroy a population.
Limiting factors are always good
Tags
NGSS.MS-LS2-4
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What is the difference between density dependent limiting factors and density independent limiting factors?
Density dependent limiting factors include things like food, water, space, competition, and disease
Density independent limiting factors include food, water, space, competition, and disease
Density dependent limiting factors include hurricanes, fires, droughts, and other natural disasters
Density independent limiting factors include hurricanes, fires, droughts, and other natural disasters
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What happens if one species population decreases in size?
The trophic level that uses them as a food source will decrease because they will have less food
The trophic level they eat will increase because there will be less of them eating them
The trophic level they eat will decrease because there will be less of them eating them
The trophic level that uses them as a food source will increase because they will have less food
Tags
NGSS.MS-LS2-3
NGSS.MS-LS2-4
NGSS.MS-LS2-1
NGSS.MS-LS2-2
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What affect do nonnative species have on an ecosystem?
Nonnative species decrease competition for resources such as food and space.
Nonnative species have no effect on an ecosystem
Nonnative species increase competition for resources such as food and space.
Nonnative species have no natural predators and thus, will be able to out-compete other species without they themselves being killed by predators.
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-2
NGSS.MS-LS2-5
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What happens if two species compete for the same food supply and one of the populations grows?
The other population decreases in size
The other population may become extinct
The other population will also grow in size
The other population may become extanct
Tags
NGSS.MS-LS2-4
NGSS.MS-LS2-1
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
What factors cause fluctuations in population size?
Birth rate
Death rate
immigration
Emigration
Tags
NGSS.MS-LS2-4
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