Biology ch 4 Test Review

The earth’s ability to maintain its balance indefinitely by cycling water and other resources is known as

• sustainability

• balance

• equilibrium

• homeostasis

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NGSS.MS-ESS2-4

Which of the following statements is compatible with a biblical worldview?

• God wants us to use the earth’s resources without worrying about the future.

• Chaos and randomness in Earth’s systems have produced life on the planet.

• Checks and balances in earth processes maintain a designed order for the earth.

• We shouldn’t work to save endangered species because of the survival of the fittest.

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Which of the following is not a part of the water cycle?

• transpiration

• evaporation

• precipitation

• fixation

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During the water cycle, water from underground reservoirs can seep into __________.

• springs

• oceans

• lakes

• all of these

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Water exits the leaves of plants during the process of __________.

• transpiration

• photosynthesis

• respiration

• guttation

Most free oxygen (O₂) in the earth’s atmosphere is produced by

• photosynthesis in plants and algae.

• volcanic eruptions.

• burning fossil fuels.

• decomposing organic matter.

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Most of the earth’s carbon is trapped in

• the ocean.

• underground.

• both A and B.

• neither A nor B.

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Living things can’t use atmospheric nitrogen gas. The nitrogen must first be __________, or converted to an organic form that plants can use.

• synthesized

• absorbed

• titrated

• fixed

Nitrogen can be fixed by which of the following?

• bacteria in the roots of legumes.

• bacteria in the soil.

• lightning strikes.

• all of these.

Humans get their nitrogen from __________.

• nitrogen in the atmosphere.

• the food they eat.

• bacteria in their intestines.

• nitrogen in the soil.