7.8A Catastrophic Events

A sudden shift in the earth's crust is called a...

• Earthquake 
• Volcano 
• Tsunami
• Flood

A large storm associated with low pressure, forms over water is called...

• Flood
• Hurricane
• Tsunami 
• Blizzard

A spinning funnel cloud which causes much destruction is called a...

• Tornado 
• Earthquake
• Tsunami 
• Hurricane 

A large wave created by an underwater earthquake is called a...

• Earthquake 
• Hurricane
• Tsunami 
• Flood

Which is not an impact to the ecosystem after a drought?

• Water is scarce and causes organisms to find new sources of water elsewhere.
• Floods will wipe out all the vegetation
• Herbivores will have to leave and find food elsewhere

Which is the best synonym for catastrophic?

• Advantageous

• Successful

• Disasterous

• Fortunate

Lava or ash spewing from a mountain vent.

• Earthquake
• Flood
• Drought
• Volcano

The permanent displacement of organisms would be an example of a

• long term effect of a natural disaster.

• short term effect of a natural disaster.

What is the relationship between ecological succession and equilibrium in an ecosystem?

• Ecological succession helps maintain equilibrium in an ecosystem.

• Ecological succession prevents ecosystems from ever reaching equilibrium.

• There is no relationship between ecological succession and equilibrium.

• Ecological succession and equilibrium are the same thing

A hurricane hits a coastal prairie and destroys the habitat. Years later there is an appearance of small plants with rapidly spreading roots on newly formed coastal sand dunes. This vegetation describes--

• a microhabitat

• primary succession

• secondary succession

• biodiversity