Marine Life and Geological Processes Quiz

The image shows some ultrasonic transmissions in an ocean. Which statement best explains the effect that human-produced ultrasonic devices could have on marine life?

• They could disturb predator-prey interactions.

• They could increase the temperature of ocean water.

• They could increase available nutrients in ocean water.

• They could cause algal blooms in the ocean and red tides.

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Coal is solid rock that began as organic material that was deposited in a swamp. The formation of coal suggests that

• coal is made mostly of skeletal remains of animals.

• coal is formed from magma that has solidified over time.

• organic material quickly becomes petrified when water is removed.

• geologic processes continue over millions of years.

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The interior of Earth is made up of several physically different layers. The solid layer of Earth that moves over a viscous layer is called the

• core.

• crust.

• asthenosphere.

• atmosphere.

During subduction, one tectonic plate is forced below another. The subducting plate is forced into the

• asthenosphere.

• lithosphere.

• outer core.

• inner core.

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How does acid rain most likely affect forests?

• Top soil loses all of its nutrients.

• Plants begin to grow deeper roots.

• Animals have more food sources.

• Trees become less healthy over time.

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The theory of plate tectonics provides the current explanation for the way in which

• stars change.

• continents move.

• plants grow.

• tides are produced.

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Which of the following best explains why the tectonic plates of Earth move?

• conduction from solar heating

• heat convection from the mantle

• global winds

• ocean currents

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Constructive forces build a new mountain range. How will weathering and erosion change the features of the mountain range over time?

• layering the rocks

• crystallizing the rocks

• folding the layers of the rocks

• rounding the shapes of the rocks

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The process of rain forest deforestation affects ecosystems on a global scale. Wildlife, people, and climate can be affected. One of the long-term effects of deforestation is that

• organisms may become extinct.

• biodiversity will continue to increase.

• more plants used for medicines can be discovered.

• there will be an increase in the gene pool for future organisms.

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One characteristic that is unique to water is that it

• has a low specific heat.

• can be changed from a liquid to a solid.

• dissolves very few substances.

• exists naturally in three states on Earth.