Ch 1

Question 1

what is threatening coral reefs in the florida keys

Answer 1

climate change
rising temperatures
coral bleaching
stony coral tissue loss disease
nutrient pollution

Question 2

signs of changes in the state of the worlds biodiversity

Answer 2

extirpations
biotic homogenization
population decay
mass mortality events

Question 3

population decay

Answer 3

lose a large percentage over time

Question 4

mass mortality

Answer 4

lose 100 to 1000’s of a species

Question 5

extirpations

Answer 5

local extinctions

Question 6

biotic homogenization

Answer 6

introduction of exotic species

Question 7

genetic variation

Answer 7

decrease in population numbers decreases variation

Question 8

major causes of extinction crisis

Answer 8

habitat destruction
habitat fragmentation
habitat degradation
climate change
overharvesting
exotic species

Question 9

what is the carrying capacity of the planet

Answer 9

8-12 billion people

Question 10

what is the worlds population

Answer 10

just over 8 billion

Question 11

how much resource does 1 US citizen use

Answer 11

5x more than average global
10x more than a citizen of china
28x more than a citizen of india

Question 12

pre modern birth/death rates

Answer 12

both high

Question 13

urbanizing/industrializing birth/death rates

Answer 13

birth: high but stable
death: decrease

Question 14

industrial birth/death rates

Answer 14

birth: decreases
death: decreases

Question 15

post-industrial birth/death rates

Answer 15

birth: increase
death: increase

Question 16

conservation biology

Answer 16

developed as a discipline devoted to the preservation and possible improvement of our biodiversity
based on biological research

Question 17

3 main goals of conservation biology

Answer 17

document diversity
investigate human impact
develop practical approaches to prevent extinction and for reintegration

Question 18

environmentalism

Answer 18

political and educational activism to preserve the health of the natural environment, for wildlife and humans

Question 19

preservationist ethic

Answer 19

the needs of philosophers, artists, poets, spiritual seekers should outweigh needs of society for economic gain
John Muir, Henry David Thoreau, Ralph Waldo Emerson

Question 20

resource conservation ethic

Answer 20

thought that the government should regulate resources to protect them
economic forces will tend to discount value of resources to future generations, instead they value immediate profit
natural resources exist for human benefit
Gifford Pinchot

Question 21

evolutionary-ecological land ethic

Answer 21

nature is a system of interrelated processes
all organisms are needed to maintain the integrity of the ecosystem
Aldo Leopold

Question 22

Modern environmental movement

Answer 22

Rachel Carson published Silent in response to chemical industries after WWII
lead to clean water act in 70’s

Question 23

philosophical backgrounds

Answer 23

diversity is important
untimely extinctions should be avoided
ecological complexity is important, leads to stability
evolution leads to biodiversity
diversity has intrinsic value beyond its economic value

Question 24

what is the primary goal of those that do work related to conservation biology

Answer 24

conduct research that might help prevent future extinction

Question 25

the addition of nutrients to coastal waters of SW florida have led to

Answer 25

red tides

Question 26

the introduction of the emerald ash borer to the US from china is an example of

Answer 26

biotic homogenization

Question 27

over 95% of the sea-stars in a region of the salish sea died over the coarse of 2 months. this would be called a

Answer 27

mass mortality event

Question 28

the number of red grouper found in the waters of the florida keys has declined by 35% in the last decade. this is an exampled of

Answer 28

population decay

Question 29

what is the closest value to the current human population

Answer 29

8 billion

Question 30

the human population growth rate...

Answer 30

has been declining since a peak in the 1960's

Question 31

what is the anthropocene

Answer 31

the epoch that spans the time when humans had a major impact on the earth

Question 32

what is the most consistent with the founding principles of several gov agencies

Answer 32

resource conservation ethic

Question 33

a new park allows hiking, and no-impact camping, but does not permit any harvest or collection of wildlife. the rules of this park are most in line with the ____ viewpoint

Answer 33

preservationist ethic