Unit 4: Pre Unit Diagnostic Assessment

How does the presence of a keystone species impact an ecosystem?

• It reduces biodiversity

• It has no effect on other species

• It helps maintain biodiversity and balance

• It accelerates climate change

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What is the role of the ozone layer in the atmosphere?

• Trap heat from the sun

• Prevent ultraviolet radiation from reaching the Earth

• Increase global warming

• Create acid rain

How do renewable energy sources differ from nonrenewable energy sources?

• Renewable sources are more polluting

• Nonrenewable sources are easily replenished

• Renewable sources do not emit greenhouse gases

• Nonrenewable sources are always cheaper

Which of the following is a characteristic of an igneous rock?

• Formed from particles of preexisting rocks

• Only found on the surface of the Earth

• Cool and harden from magma or lava

• Classified by layers or strata

Which of the following factors can contribute to the extinction of species?

• Increased biodiversity

• Climate stability

• Habitat destruction

• Restoration efforts

Tags

NGSS.MS-LS2-1

NGSS.MS-LS4-1

Which organelle is responsible for converting energy from food into a form that the cell can use?

• Nucleus

• Mitochondrion

• Endoplasmic reticulum

• Golgi apparatus

Tags

NGSS.MS-LS1-2

What is a primary difference between weathering and erosion?

• Weathering involves the movement of rocks, while erosion does not

• Weathering is a natural process, while erosion is human-caused

• Weathering breaks down rocks, while erosion transports the broken down material

• Weathering only occurs in deserts, while erosion occurs in all environments

Tags

NGSS.MS-ESS2-2

How do tectonic plates contribute to the formation of mountains?

• By moving apart from each other

• By sliding past each other

• By colliding with each other

• By subducting under each other

Tags

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

What is the main function of the ozone layer in the stratosphere?

• Absorb sound waves

• Absorb excess carbon dioxide

• Absorb ultraviolet radiation

• Absorb water vapor

In the water cycle, what process returns water to the atmosphere?

• Precipitation

• Evaporation

• Transpiration

• Runoff

Tags

NGSS.MS-ESS2-4