Unit #3 Review

What region has the most violent storms?

• Equator

• south pole

• north pole

• gulf coast

What is the best prediction for how a flood impacts the ecosystems along the riverbed in the future?

• Silt and mminerals will be added to the soil, enhancing plant growth.

• Grasses and other plants will die from a lack of water, causing animals to starve.

• Large cracks will appear in the ground, providing new habitats for insects.

• Tree branches will break off due to high winds, damaging birds' nests.

A major ocean current called the Gulf Stream flows north, bringing water from the equator up along the East Coast of the United States. This can cause -

• cool water to collect, forming snow clouds

• warm and cool water to collide, causing tides

• warm water to collect, making storms impossible

• warm and cool water to mix, forming winds and storms

What is one condition that is necessary for a hurricane to form?

• warm ocean water

• strong cold front

• cold ocean water

• a strong warm front

lightning can cause a forest fire, destroying the majority of plants in a forest. A forest fire will do all of the following except -

• Increase the amount of sunlight that can reach the forest floor, allowing new plant growth.

• Cause a huge decrease in thepredator population, maintaining the prey population numbers.

• Increase nutrients in the soil available for plants, allowing for increased growth.

• Stimulate the germination of certain seeds that need heat to complete a plant's life cycle.

Energy from the Sun hits Earth -

• in only a few places, creating spots of high pressure

• everywhere at once, creating uniforn termpatures

• unevenly, creating areas of high and low pressure

• evenly, creating layers of uniform climate zones

Tropical depressions tend to originate over -

• sandy deserts, where water is likely to rise as vapor and remain in the air as clouds

• sea ice, where water is likely to rise as vapor and later fell as snow

• large lakes, where water is likely to rise as vapor and remain in the air as fog

• warm oceans, where water is likely to rise as vapor and later fall as rain

Hurricanes increase the amound of dead plant material found in bodies of water. This most likely results in -

• a decrease in protected shelter and habitats for birds that nest near the water's edge, resulting in declining populations

• an increase in sunlight that shines on the bottom of bodies of water, resulting in algae blooms that reduce the amount of food availble to filter feeders.

• a decrease in hiding places for small aquatic species.

• clearer waters as the fallen tree trunks absorb nutrients from the water

Atmospheric convection helps to distribute -

• magnetic energy from Earth's core, which flows to the surface unevenly

• gravitational energy from Earth's core, which is strongest at the equator

• visible light from the Sun, which strikes Earth only at the poles

• thermal energy from the Sun, which strikes Earth unevenly

Tornado Alley has which type of air mass?

• Moist, warm, low - pressure air masses from the Gulf of Mexico

• Dry, warm, high-pressure air masses from the Atlantic Ocean

• Moist, cool, low-pressure air masses from Canada

• Dry, cool, high- pressure air masses from Alasks