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Conservation Biology and Biodiversity Threats
Ecology
This content explores the field of conservation biology, its history, the importance of biodiversity, various threats to biodiversity such as habitat loss, overexploitation, and invasive species, and methods for measuring extinction rates. It also touches upon conservation approaches and Philippine laws related to species conservation.
Conservation
Biodiversity
Ecology
21 Questions
Medium
Ages 14+
Apr 14, 2026
About this Study Set
This study set covers Ecology through
21 practice questions.
This content explores the field of conservation biology, its history, the importance of biodiversity, various threats to biodiversity such as habitat loss, overexploitation, and invasive species, and methods for measuring extinction rates. It also touches upon conservation approaches and Philippine laws related to species conservation. Every question includes the correct answer so you can learn as you go — pick any format above to get started.
Questions & Answers
Browse all 21 questions from the
Conservation Biology and Biodiversity Threats study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What is the primary driver of habitat loss for many species, according to the text?
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A
Natural disasters
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B
Increased human population and resource use
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C
Volcanic activity
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D
Asteroid impacts
2
Which organization compiles the Red List of Threatened Species?
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A
World Wildlife Fund (WWF)
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B
United Nations Environment Programme (UNEP)
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C
International Union for Conservation of Nature and Natural Resources (IUCN)
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D
National Geographic Society
3
Conservation biology requires expertise from disciplines such as population biology, genetics, and:
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A
Astronomy
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B
Geology
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C
Pathology
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D
Meteorology
4
Which of the following is NOT listed as a discipline outside biology contributing to conservation biology?
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A
Law
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B
Economics
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C
Philosophy
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D
Sociology
5
Conservation biology is defined as the scientific study of the amount of biodiversity, how human activities impact it, and how best to:
-
A
Increase human resource use
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B
Maintain it and prevent its loss
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C
Accelerate species extinction
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D
Develop new industrial processes
6
Which of these is an example of an ecosystem service that humans depend on biodiversity for?
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A
Urban development
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B
Pollination of crops
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C
Industrial manufacturing
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D
Space exploration
7
Who is considered the 'father of biogeography' and foresaw the current biodiversity crisis in the 19th century?
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A
Charles Darwin
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B
Alfred Russel Wallace
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C
Gregor Mendel
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D
Linnaeus
8
Conservation biology emerged as a scientific discipline in the early:
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A
1880s
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B
1980s
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C
1950s
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D
2000s
9
The Society for Conservation Biology was founded in response to the biodiversity crisis in what year?
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A
1955
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B
1975
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C
1985
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D
2005
10
Conservation biology is often described as 'mission-driven' and:
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A
Profit-oriented
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B
Leisurely paced
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C
Crisis-oriented
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D
Purely theoretical
11
Tropical biologist Dan Janzen emphasized that if biologists want a tropics in which to biologize, they must:
-
A
Observe from a distance
-
B
Buy it with care, energy, effort, strategy, tactics, time, and cash
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C
Focus solely on laboratory research
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D
Avoid interaction with local communities
12
Alwyn Gentry, a tropical botanist, became an eyewitness to plant species extinctions due to:
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A
Climate change
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B
Volcanic eruptions
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C
Rapid deforestation
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D
Introduction of invasive plants
13
In the US, a rising outcry over conservation issues included the poaching-driven decline of:
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A
Deer
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B
Bisons
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C
Rabbits
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D
Squirrels
14
Which Philippine endemic species is mentioned as experiencing habitat loss?
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A
Philippine Tarsier
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B
Philippine Forest Turtle
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C
Palawan Pangolin
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D
Rufous Hornbill
15
Estimates of extinction rates from the fossil record are used to establish:
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A
Future extinction predictions
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B
Background extinction rates
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C
Current population sizes
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D
Genetic diversity levels
16
The background extinction rate is estimated to be on the order of 1 extinction every:
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A
10 years
-
B
100 years
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C
200 years
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D
1000 years
17
The extinction rate in the 20th century was estimated to be how many times higher than the background rate?
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A
10 to 50 times
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B
50 to 100 times
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C
100 to 1,000 times
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D
1,000 to 10,000 times
18
An advantage of using background extinction rates is that it:
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A
Is specific to modern environmental conditions
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B
Provides a baseline for comparison
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C
Is always a precise estimate
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D
Only reflects human-caused extinctions
19
A disadvantage of background extinction rates is that they are a:
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A
Very precise estimate
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B
Very rough estimate
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C
Direct measure of current threats
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D
Specific to modern ecological contexts
20
The Species-Area Relationship (SAR) is used to estimate the number of species driven to extinction by:
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A
Climate change
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B
Habitat loss
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C
Pollution
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D
Disease outbreaks
21
In the Species-Area Relationship formula (S = cA^z), what does 'z' represent?
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A
The number of species
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B
The area of habitat
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C
A constant
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D
The slope
