Fire And Nature

24 July 2022
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22 test answers

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question
Which of the following statements about wildfires in deciduous forests is not true?
answer
Deciduous forests are unaffected by wildfires.
question
A prescribed burn is _______.
answer
a controlled fire used to manage forest ecosystems
question
Wildfires benefit forest ecosystems by _______.
answer
all of the above
question
What is the effect of wildfires on biodiversity?
answer
temporary decrease, but long-term increase
question
As a result of wildfires, _______ in grasslands.
answer
grass growth increases
question
Historically, wildfires were viewed as detrimental to forest ecosystems.
answer
True
question
How does wildfire help restore soil nutrients?
answer
Wildfires break down organic material faster than decomposition, thus renewing soil nutrients more quickly.
question
Which of the following is not a benefit of wildfires to ecosystems?
answer
habitat loss
question
Fire ecology is _______.
answer
the study of how fire affects ecosystems
question
Why have forest fires in ponderosa pine forests become more damaging to that ecosystem than they were historically?
answer
Following a policy of fire suppression in these forests makes fires burn hotter.
question
Which of the following statements about prescribed burns is true?
answer
Prescribed burns can help maintain healthy ecosystems.
question
The first step in restoring pine woodlands is prescribed burning.
answer
True
question
Prescribed burns are used to _______.
answer
all of the above
question
How are the benefits of wildfires in grasslands and northern forests similar?
answer
increased food production for grazers
question
How are the benefits of wildfires in deciduous and northern forests similar?
answer
increased nutritional value of growth
question
Which of the following statements about wildfires is true?
answer
Wildfires allow certain plant types to reproduce by cracking their seeds.
question
Wildfires open a new seedbed that can be used for new plant growth.
answer
True
question
Soil _______ as a result of wildfires in grasslands.
answer
improves
question
Preventing all wildfires is necessary for maintaining healthy forest ecosystems.
answer
False
question
Which of the following statements about the use of prescribed fires in the Everglades is true?
answer
All of the above
question
What is a likely consequence of preventing prescribed burns to forest ecosystems?
answer
Natural wildfires will burn longer and hotter when they occur because there is more underbrush and fuel available.
question
Without wildfires, forest ecosystems would be more likely to suffer from outbreaks of plant disease.
answer
True