Ecology Unit Practice Test

An individual living thing is a/an __________.

• habitat
• ecosystem
• organism
• population

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NGSS.3-LS1-1

All of the nonliving parts of an ecosystem are _______.

• biography
• biotic
• abiotic
• biology

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NGSS.MS-LS2-3

A group of different species that live together and interact in an environment are called a/an ________.

• community
• habitat
• population
• ecosystem

Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

Tags

NGSS.MS-LS2-3

Which is a biotic factor?

• Fox
• Mountain
• Air
• Sunlight

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

Something that limits the size  of a population.

• maxfactor
• factor tree
• the x factor
• limiting factor

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What happens to a population and to competition when there is a reduction of living space?

• The population expands and competition intensifies 
• Competition strengthens while the population contracts.
• The population increases as competition decreases 
• Competition weakens and the population decreases 

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Which BEST determines the number of wolves that can live in an area? 

• the amount of snow in the area each year
• the number of birds that live in the area
• the number of trees in the area
• the amount of food available in the area

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Kudzu vines grow by climbing and wrapping around trees. Trees covered by kudzu can die because they are starved of sunlight. What type of relationship exists between the tree and the kudzu growing on them?

• competition
• mutualism
• parasitism
• predator-prey

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NGSS.MS-LS2-2

Which BEST explains the importance of nitrogen in the cycling of energy and matter?

• Nitrogen increases protein production in plants.
• Nitrogen decreases protein production in plants.
• Nitrogen decreases the effectiveness of photosynthesis.
• Nitrogen increases the effectiveness of photosynthesis.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6