WorksheetsCatastrophic Events and the Ecosystem
Total questions: 26
Worksheet time: 14mins
An extensive amount of snow over a short period is called a ...
blizzard
tsunami
flood
hurricane
Which catastrophic event would most likely result in trees being knocked over and the disappearance of most of the plants and animals along a narrow path in a forest ecosystem?
tornado
volcanic eruption
flash flood
earthquake
A long period with no rain is called a _________.
wildfire
drought
blizzard
tornado
Where are hurricanes most likely to do the most damage?
near the coast
near a forest
near a farm
near the desert
Wildfires have both negative and positive effects on an ecosystem. Which is a negative effect of wildfire on an ecosystem?
germination of tree seeds
removal of thick underbrush
reduced animal habitats
increased plant diversity
Which is the best synonym for catastrophic?
Advantageous
Successful
Disasterous
Fortunate
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
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
Which of the following is NOT a benefit from a catastrophic event?
A flooded river deposits nutrients on the riverbank.
A wildfire returns nutrients to the soil.
A flood provides extra water to the environment.
What is the name of disease that caused a worldwide pandemic in 2020?
Cancer Virus
Cardi B Virus
Corona Virus
Computer Virus
Which organism makes their own food through the process of photosynthesis?
decomposer
consumer
herbivore
producer
The nonliving parts of an ecosystems can be called______.
biotic factors
abiotic factors
friendly factors
community factors
An animal that eats only meat (other animals) is a ________.
producer
herbivore
omnivore
carnivore
Bears eat fish, insects, plants, seeds, nuts and young elk. Bears are called a(n) __________.
Franivore
Carnivore
Herbivore
Omnivore
An example of an abiotic factor is...
sunlight
oak tree
dead lizard
moose
