NC Science EOG Grade 8

What is the result of increased upwelling in a coastal area?

• More aquatic life.

• Decreased water temperature.

• Increased pollution levels.

• Less sunlight penetration.

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What does the Law of Superposition state?

• In undisturbed layers of sedimentary rock, the lowest layers contain the older rocks.

• The oldest rocks are always found at the surface of the Earth.

• Sedimentary rocks are formed in layers that are all the same age.

• The layers of rock are always deposited in a random order.

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NGSS.MS-ESS1-4

What do transitional fossils best support?

• The Theory of Biological Evolution.

• The Theory of Intelligent Design.

• The Theory of Spontaneous Generation.

• The Theory of Catastrophism.

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What does the term 'ecosystem' refer to?

• A community of living organisms and their interactions with the environment.

• A group of similar species living in the same area.

• The physical environment where organisms live.

• A network of food chains and food webs.

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NGSS.MS-LS2-3

What is the significance of genetic variation in a population?

• It increases the chances of survival and adaptation to changing environments.

• It leads to a decrease in population size.

• It reduces the likelihood of mutations occurring.

• It has no impact on the population's ability to adapt.

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What happens to the deer population if wolves are removed from their area?

• The population of deer will increase.

• The population of deer will decrease.

• The population of deer will remain the same.

• The population of deer will become extinct.

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NGSS.HS-LS2-6

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What is the impact of climate change on biodiversity?

• Climate change leads to habitat loss, altered ecosystems, and increased extinction rates.

• Climate change has no significant impact on biodiversity.

• Climate change only affects temperature but not biodiversity.

• Climate change improves biodiversity by creating new habitats.

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Explain the concept of natural selection.

• The process where organisms better adapted to their environment tend to survive and produce more offspring.

• A method of breeding plants and animals to enhance desirable traits.

• The theory that all species evolve over time through random mutations.

• A phenomenon where organisms migrate to new environments to find food.

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What is the importance of fossils in understanding Earth's history?

• Fossils provide evidence of past life and help scientists understand evolutionary processes.

• Fossils are used to date rocks and determine their age.

• Fossils are primarily used to study climate change.

• Fossils are only important for understanding human evolution.

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Why were some strawberries able to survive a hard freeze?

• They have different genetic variations that cause them to be more resistant to cold temperatures.

• They are grown in warmer climates.

• They are treated with special chemicals to withstand cold.

• They have thicker skins that protect them from frost.