AnswersEnvironmental Science 2025-2026Global Connection: Why Invasive Species Thrive

Fire and Nature Answers

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1
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What is a likely consequence of preventing prescribed burns to forest ecosystems?

A
Natural wildfires will burn longer and hotter when they occur because there is more underbrush and fuel available.
B
Forest ecosystems will remain healthier overall, due to retention of habitats.
C
Home owners will be better protected against damage from natural wildfires.
D
Natural wildfires will occur less frequently.
3

Which of the following statements about the use of prescribed fires in the Everglades is true?

A
It controls the amount of moisture in the environment.
B
It controls the spread of exotic organisms.
C
It helps maintain plant communities.
D
All of the above
5

How are the benefits of wildfires in grasslands and northern forests similar?

A
increased tree quantity
B
increased food production for grazers
C
increased amount of lichens
D
all of the above
6

Prescribed burns are used to _______.

A
clear out undergrowth
B
prevent larger forest fires
C
manage forests
D
all of the above
7

Which of the following statements about wildfires is true?

A
Wildfires allow certain plant types to reproduce by cracking their seeds.
B
Natural wildfires should be prevented to maintain wildlife habitats.
C
The loss of undergrowth caused by wildfires is detrimental to an ecosystem.
D
All of the above
8

Soil _______ as a result of wildfires in grasslands.

A
improves
B
degrades
C
is unchanged
D
is lost
9

Which of the following is not a benefit of wildfires to ecosystems?

A
habitat loss
B
underbrush reduction
C
new growth
D
plant regeneration
10

How do wildfires help control plant disease?

A
Wildfires are more likely to kill off plants that are likely to spread disease.
B
Wildfires help control populations of fungi and insects that can lead to plant disease.
C
Wildfires thin underbrush which leads to plant disease.
D
All of the above

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