Life on Earth 2 test review

What is a positive feedback loop?

• A process where a change in a factor reduces the change in another factor.

• A process where a change in a factor amplifies the change in another factor.

• A process where a change in a factor has no effect on another factor.

• A process where a change in a factor reverses the change in another factor.

Tags

NGSS.MS-LS2-3

What is mass wasting?

• The movement of water down a slope.

• The movement of air currents in the atmosphere.

• The movement of rock and soil down a slope under the influence of gravity.

• The movement of tectonic plates.

Tags

NGSS.MS-ESS2-2

Why did people settle near bodies of water?

• For aesthetic purposes.

• To avoid natural disasters.

• To have reliable access to water for agriculture and irrigation.

• To escape predators.

What is the largest division in geologic time?

• Eras

• Periods

• Epochs

• Eons

Tags

NGSS.MS-ESS1-4

How did Earth's early atmosphere form?

• molten rock cooling

• meteor impacts

• volcanic outgassing

• energy from the sun

Tags

NGSS.HS-ESS1-6

What is a carbon source?

• Anything that absorbs more carbon than it releases

• Anything that releases more carbon than it absorbs

• Oceans, forests, soil

• Photosynthesis

Tags

NGSS.MS-LS2-3

Which of the following is an example of a carbon sink?

• Volcanic eruptions

• Burning fossil fuels

• Deforestation

• Oceans

Tags

NGSS.MS-LS1-6

What is the independent variable in an experiment?

• The variable that changes as a result of what you changed

• The variable that the person doing the experiment changes

• The data used to support a claim

• The evidence that supports your argument

Tags

NGSS.MS-PS2-2

What is the purpose of evidence in constructing an argument?

• To state the claim

• To provide data that supports the claim

• To change the independent variable

• To describe the dependent variable

Tags

NGSS.MS-LS1-3

NGSS.MS-LS2-4

Which of the following best describes the coevolution of Earth's spheres?

• The spheres evolve in isolation but occasionally interact.

• Each sphere evolves independently without affecting others.

• Only the biosphere and atmosphere coevolve.

• The spheres evolve together, influencing each other's development.

Tags

NGSS.MS-ESS2-4