Question 1

Approximately what percentage of amphibians are classified as endangered and critically endangered?

Accepted Answer

A) 10% 
B) 20% 
C) 40% 
D) 70% 
A) 10% 
B) 20% 
C) 40% 
D) 70%

Question 2

Which region of DNA molecules do conservation geneticists study?

Accepted Answer

A) promoters 
B) the entire gene sequence 
C) a portion of the gene sequence that encodes a protein 
D) small sequences of repeating nucleotides 
E) Conservation geneticists actually study RNA molecules. 
A) promoters 
B) the entire gene sequence 
C) a portion of the gene sequence that encodes a protein 
D) small sequences of repeating nucleotides 
E) Conservation geneticists actually study RNA molecules.

Question 3

According to the UN Environment Programme,how many of all plants and animals on Earth are at risk of going extinct?

Accepted Answer

A) 1/2 
B) 1/3 
C) 1/4 
D) 1/8 
E) 1/100 
A) 1/2 
B) 1/3 
C) 1/4 
D) 1/8 
E) 1/100

Question 4

The number one threat to biodiversity is ___________.

Accepted Answer

A) habitat fragmentation 
B) overexploitation 
C) pollution 
D) climate change 
E) habitat destruction 
A) habitat fragmentation 
B) overexploitation 
C) pollution 
D) climate change 
E) habitat destruction

Question 5

What legal protection did the Lacey Act of 1900 give?

Accepted Answer

A) protection of all marine mammals 
B) regulation of the trade of endangered species 
C) prohibition on the sale or possession of illegally obtained wildlife 
D) pursuit of goals related to biodiversity conservation 
E) encouragement of wetlands conservation 
A) protection of all marine mammals 
B) regulation of the trade of endangered species 
C) prohibition on the sale or possession of illegally obtained wildlife 
D) pursuit of goals related to biodiversity conservation 
E) encouragement of wetlands conservation

Question 6

What are some tactics utilized in single-species conservation efforts?

Accepted Answer

A) captive breeding programs 
B) release of animals back into the wild 
C) use of charismatic species-that is,those that garner attention and funds from the public 
D) fieldwork to monitor species and habitat health 
E) all of these answer choices are correct 
A) captive breeding programs 
B) release of animals back into the wild 
C) use of charismatic species-that is,those that garner attention and funds from the public 
D) fieldwork to monitor species and habitat health 
E) all of these answer choices are correct

Question 7

The group with the largest total number of species is the

Accepted Answer

A) amphibians. 
B) sharks and rays. 
C) freshwater crabs. 
D) birds. 
A) amphibians. 
B) sharks and rays. 
C) freshwater crabs. 
D) birds.

Question 8

Which of the following is/are impacts African elephants have as keystone species?

Accepted Answer

A) dispersing fruit tree seeds throughout the forest 
B) trampling young trees in the savanna 
C) dispersing fertilizer in the form of dung 
D) opening the forest canopy by felling trees 
E) These are all impacts African elephants have. 
A) dispersing fruit tree seeds throughout the forest 
B) trampling young trees in the savanna 
C) dispersing fertilizer in the form of dung 
D) opening the forest canopy by felling trees 
E) These are all impacts African elephants have.

Question 9

You are asked to work on a conservation project in the Costa Rican rainforest.The plan is to use an ecosystem-based conservation approach to return part of the rainforest ecosystem to its original state after it had been converted to cropland.This is an example of

Accepted Answer

A) landscape conservation. 
B) ecosystem restoration. 
C) a debt-for-nature swap. 
D) an international legal habitat protection. 
A) landscape conservation. 
B) ecosystem restoration. 
C) a debt-for-nature swap. 
D) an international legal habitat protection.

Question 10

Refer to the graph in Infographic 1.Which human activities likely contribute to climate change?

Accepted Answer

A) logging,agriculture,pollution 
B) energy production,residential development,aquaculture 
C) mining,commercial development,fisheries 
D) All of these activities contribute to climate change. 
E) None of these activities contribute to climate change. 
A) logging,agriculture,pollution 
B) energy production,residential development,aquaculture 
C) mining,commercial development,fisheries 
D) All of these activities contribute to climate change. 
E) None of these activities contribute to climate change.

Question 11

You own a ranch,and the surrounding areas are being developed for residential and commercial use.You want to limit development on your property and preserve the conservation value of your ranch.Which of the following conservation efforts would be the best option?

Accepted Answer

A) a debt-for-nature swap 
B) ecotourism 
C) joining a nonprofit organization 
D) a conservation easement 
A) a debt-for-nature swap 
B) ecotourism 
C) joining a nonprofit organization 
D) a conservation easement

Question 12

What is a keystone species?

Accepted Answer

A) only threatened species 
B) a species that impacts the community more than its numbers would predict 
C) species that have gone extinct 
D) a species that is poached 
E) only forest species 
A) only threatened species 
B) a species that impacts the community more than its numbers would predict 
C) species that have gone extinct 
D) a species that is poached 
E) only forest species

Exam 9: Preserving Biodiversity a Forest Without Elephants

Approximately what percentage of amphibians are classified as endangered and critically endangered?

Which region of DNA molecules do conservation geneticists study?

According to the UN Environment Programme,how many of all plants and animals on Earth are at risk of going extinct?

The number one threat to biodiversity is ___________.

What legal protection did the Lacey Act of 1900 give?

What are some tactics utilized in single-species conservation efforts?

The group with the largest total number of species is the

Which of the following is/are impacts African elephants have as keystone species?

You are asked to work on a conservation project in the Costa Rican rainforest.The plan is to use an ecosystem-based conservation approach to return part of the rainforest ecosystem to its original state after it had been converted to cropland.This is an example of

Refer to the graph in Infographic 1.Which human activities likely contribute to climate change?

You own a ranch,and the surrounding areas are being developed for residential and commercial use.You want to limit development on your property and preserve the conservation value of your ranch.Which of the following conservation efforts would be the best option?

What is a keystone species?

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Information Literacy and Toxicology Lead in the Water

Ecosystems and Nutrient Cycling Engineering Earth

Population Ecology Gray Wolves Return to Yellowstone

Community Ecology the Florida Everglades: a Community in Cris

evolution and Extinction a Tropical Murder Mystery

Biodiversity Palm Oil Plantations Threaten Tropical Forests

Human Populations the Kerala Model

Urbanization and Sustainable Communities Creating Green Cities

Environmental Health Eradicating a Parasitic Nightmare

ecological Economics and Consumption Wall to Wall, Cradle to Cradle

environmental Policy the World Tackles Ozone Depletion

managing Solid Waste a Plastic Surf

Freshwater Resources Toilet to Tap

Water Pollution Suffocating the Gulf

marine Ecosystems Ocean Acidification: the Other Co2 Problem

Forests Returning Trees to Haiti

soil Resources and Grasslands Restoring the Range

Mineral Resources No Stone Unturned

Feeding the World a Gene Revolution

sustainable Agriculture: Raising Crops Farming Like an Ecosystem

Agriculture: Raising Livestock Can Meat Be Part of a Healthy, Environmentally Conscious Diet

Fisheries and Aquaculture Fish in a Warehouse

coal Bringing Down the Mountain

Oil and Natural Gas the Bakken Oil Boom

Air Pollution the Youngest Scientists

global Climate Change Climate Refugees

Nuclear Power the Future of Fukushima

Sun, Wind, Water, and Earth Energy Fueled by the Sun

Biofuels Gas From Grass

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