Oceanic Organisms

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Which type of coastline is commonly found along passive continental margins?

Coastlines with low amounts of tectonic activity

Emergent coastlines with steep, rocky cliffs

Coastlines with long rivers and estuaries

Submergent coastlines with wide river valleys (correct)

What are the two types of tectonic plates that make up the Earth's crust?

Tectonic and seismic plates

Continental and oceanic plates (correct)

Mountain ranges and oceanic trenches

Active and passive plates

What is the process that occurs at areas where different types of tectonic plates meet?

Tectonic activity

Seismic activity

Subduction (correct)

Volcanic activity

What are active continental margins characterized by?

Mountain ranges and oceanic trenches Signup and view all the answers

What are the five distinct ocean basins?

Pacific, Atlantic, Indian, Southern, and Arctic Signup and view all the answers

What is the rim of an ocean basin called?

Continental shelf Signup and view all the answers

Which organisms produce their own energy via photosynthesis?

Phytoplankton Signup and view all the answers

What are zooplankton?

Large, animal-type plankton such as jellyfish Signup and view all the answers

Which organisms have developed gills to extract oxygen from water?

Fishes Signup and view all the answers

What is the purpose of the excess fat developed by marine mammals?

To maintain warmth Signup and view all the answers

What is the shoreline?

The meeting point of water bodies and land areas Signup and view all the answers

What causes wind waves?

Wind friction on the water's surface Signup and view all the answers

Which of the following is the main cause of a tsunami?

Underwater landslides Signup and view all the answers

What is the main factor that fuels the development of a hurricane?

Moisture in the air Signup and view all the answers

What is the main difference between high and low tides?

The height of the water Signup and view all the answers

What causes the wind to circulate in a counterclockwise direction in the northern hemisphere during a hurricane?

The Coriolis effect Signup and view all the answers

What is the scale used to categorize hurricanes based on their sustained wind speeds?

The Saffir-Simpson Scale Signup and view all the answers

What is the main effect of a hurricane that can cause the most damage?

Storm surge Signup and view all the answers

What is the main function of longshore currents and beach drift?

To carry sand and sediment to the ocean Signup and view all the answers

Which of the following is true about abyssal plains?

They are composed of sedimentary deposits Signup and view all the answers

What are seamounts?

Inactive volcanoes that reach over 3,200 feet tall Signup and view all the answers

How are guyots formed?

They are formed by wave action transforming peaks of seamounts into a flat surface Signup and view all the answers

What creates trenches in the ocean?

Subduction Signup and view all the answers

What is the main difference between an active and inactive ocean basin?

The presence of tectonic activity along the continental margin Signup and view all the answers

What is the asthenosphere?

A layer of semisolid rock that is very hot and deformable Signup and view all the answers