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Catastrophic events and Ecosystems

Total questions: 32

Worksheet time: 26mins

Name
Class
Date
1.

A flood will have a greater effect on a habitat than a heavy rainfall event because a flood -

a)

is followed by strong winds that greatly affect a habitat.

b)

strikes more quickly, not allowing organisms to migrate.

c)

brings salt and other substances that harm plants.

d)

happens more often and lasts much longer.

2.

Tornadoes are catastrophic events that create change in ecosystems in which of the following ways?

a)

Heavy flooding increases areas where trees can grow.

b)

High winds damage areas of important plant life.

c)

Wildfires started by lightning reduce carbon dioxide.

d)

Saltwater kills many ground-dwelling animals.

3.

What change would most likely be observed in the nonliving parts of an ecosystem after a hurricane?

a)

Taller sand dunes on the beach

b)

Increase in oxygen in the atmosphere

c)

Less sunlight reaching ground level

d)

Higher levels of soil nutrients

4.

The extremely strong winds associated with a tornado will have the greatest negative effect on which of the following kinds of organisms?

a)

Fish that feed around coral reefs

b)

Smaller mammals that burrow underground

c)

Birds and other animals that use trees for shelter

d)

Organisms that feed on decaying plants and animals

5.
Which is not an impact to the ecosystem after a drought?
a)
Water is scarce and causes organisms to find new sources of water elsewhere.
b)
Floods will wipe out all the vegetation
c)
Herbivores will have to leave and find food elsewhere
6.
Which of these is not an impact to the ecosystem after a hurricane?
a)
Fires throughout the area
b)
Poor water quality in the area
c)
Erosion of beaches
d)
Massive flooding
7.
A recent flood in the area has caused many short term changes to the ecosystem. Which is a long term change?
a)
Standing water in the streets and sewers
b)
Temporary displacement of organisms
c)
Permanent change in the landscape
d)
Poor water quality in rivers and streams
8.
Which is the best synonym for catastrophic?
a)
Advantageous
b)
Successful
c)
Disaster
d)
Fortunate
9.
Lava or ash spewing from a mountain vent.
a)
Earthquake
b)
Flood
c)
Drought
d)
Volcano
10.
Caused by an unusually large amount of water for an area
a)
Earthquake
b)
Flood
c)
Drought
d)
Volcano
11.
A long period with no rain
a)
Earthquake
b)
Flood
c)
Drought
d)
Volcano
12.
A spinning funnel cloud which causes much destruction
a)
Tornado
b)
Hurricane
c)
Tsunami
d)
Meteor
13.
A large wave created by an underwater earthquake
a)
Tornado
b)
Hurricane
c)
Tsunami
d)
Meteor
14.
Starts by lightning or a camper
a)
Wildfire
b)
Blizzard
c)
Meteor
d)
Hurricane
15.
Where are hurricanes most likely to do the most damage?
a)
Near the coast
b)
In the forest
c)
In a desert
d)
On the North Pole
16.
what is this
a)
tornado 
b)
landslide
c)
typhoon 
d)
hurricane
17.
a)
Usually the result of human negligence, but can also be caused by lightning
b)
Created by a weakness in the Earth's crust.  Magma rises up from mantle
c)
Storm surge causes massive flooding.  Wind damage causes structural damage to homes and businesses
d)
High winds cause destruction to everything in its path.
18.
What causes damage in a hurricane?
a)
Winds
b)
Flooding
c)
Storm Surge
d)
All of the above
19.
What catastrophic event would be of greatest risk to a grassland?
a)
hurricane
b)
flood
c)
tsunami
d)
wildfire
20.
A long high sea wave caused by an underwater Earthquake, landslide or underwater volcanic
a)
Typhoon
b)
Flood
c)
Tornado
d)
Tsunami
21.
Which of the following natural disasters have had the LEAST impact on TEXAS
a)
hurricanes
b)
floods
c)
tornadoes
d)
earthquakes
22.
What are the two most destructive parts of a hurricane?
a)
wind and water
b)
wind and debris
c)
debris and lightning
d)
lightning and wind
23.

When a tornado forms, it can be seen as a __________?

a)

a funnel cloud

b)

a giant cloud

c)

a dark colored cloud

24.

Wildfires can move quickly and destroy large areas of land in a few minutes.

a)

True

b)

False

25.
What is the shaking of the Earth’s crust caused by a release of energy?
a)
Earthquake
b)
Epicenter
c)
Fault
d)
Plate
26.

Catastrophic events impact ecosystems as well as people

a)

True

b)

False

27.

Ecosystems with high biodiversity have higher sustainability to stress such as catastrophic events

a)

True

b)

False

28.
An explosive discharge of magma, rock, ash, and gases
a)
Earthquake
b)
Asteroid Impact
c)
Volcanic Eruption
d)
Cyclone
29.
a)
Total destruction of landscape including entire ecosystems.  Air quality is damaged over a large area.
b)
Everything in the path can be burned and all organisms are forced to leave the immediate area.
c)
Extensive damage to roads and structure from violent shaking.  Landscapes may change.
d)
Total destruction of landscape.  Can cause an extinction event if large enough.
30.
A long period with no rain is called a...
a)
Earthquake
b)
Wildfire
c)
Drought
d)
Tornado 
31.
The catastrophic event shown here is a/an_________
a)
hurricane
b)
flood
c)
tsunami
d)
tornado
32.
The catastrophic event shown here is a/an_________
a)
volcano
b)
wildfire
c)
ash
d)
smoke

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