Q: Which equation would you use to estimate the percent of species extinct during the Permian mass extinction?

$$\text{Percent Extinct} = 95\%$$

Question 1

Which of the following is NOT a direct benefit of biodiversity to humans, as described in the study materials?

Accepted Answer

Increased fossil fuel reserves

Question 2

Conservation biologists often focus on species, communities, and ecosystems that are in danger. Which of the following is a primary reason for this focus?

Accepted Answer

To preserve genetic diversity and ecosystem function

Question 3

Which of the following is a major threat to biodiversity, according to the study materials?

Accepted Answer

Habitat loss

Question 4

The global value of ecosystem services is estimated at $33 trillion per year. Which of the following best describes an ecosystem service?

Accepted Answer

A process by which ecosystems provide benefits to humans, such as clean water and air

Question 5

Which equation best represents the relationship between atmospheric CO$$_2$$ concentration and global temperature, as described in the materials?

Accepted Answer

$$\Delta T \propto \Delta CO_2$

Question 6

Which of the following is a real-world example of the effect of excess nitrogen on ecosystems?

Accepted Answer

Hypoxia in the Gulf of Mexico

Question 7

What is the primary cause of rising atmospheric CO$$_2$$ levels, according to the study materials?

Accepted Answer

Burning of fossil fuels and massive deforestation

Question 8

Which of the following conservation strategies is aimed at reducing inbreeding in endangered populations?

Accepted Answer

Increasing genetic diversity

Question 9

According to the table of mass extinctions, which historic period experienced the highest percent of species extinction?

Accepted Answer

Permian

Question 10

Which of the following is a biological effect of climate change already observed, as described in the materials?

Accepted Answer

Coral bleaching

Question 11

A pharmaceutical company is prospecting tropical countries for new drugs. Which benefit of biodiversity does this activity illustrate?

Accepted Answer

Drugs and medicines

Question 12

Which of the following is a plausible consequence of habitat loss for endangered species?

Accepted Answer

Reduced population size and increased risk of extinction

Question 13

Which conservation strategy is most likely to help species migrate in response to climate change?

Accepted Answer

Providing connectivity between habitats

Question 14

If Americans spend approximately $104 billion annually on wildlife-related recreation, what term best describes this activity?

Accepted Answer

Ecotourism

Question 15

Which of the following is NOT a threat to biodiversity listed in the study materials?

Accepted Answer

Natural selection

Question 16

Which equation would you use to estimate the percent of species extinct during the Permian mass extinction?

Accepted Answer

$$	ext{Percent Extinct} = 95\%$$

Question 17

Which of the following is a physical effect of climate change already observed, according to the materials?

Accepted Answer

More severe storms

Question 18

Which of the following endangered species is NOT listed in the provided study materials?

Accepted Answer

African elephant

Question 19

Which of the following best describes the goal of conservation biology?

Accepted Answer

To conserve, preserve, and restore biodiversity

Question 20

Which of the following is a plausible multi-step solution to reduce the impact of acid rain on ecosystems?

Accepted Answer

Decrease emissions of sulfur dioxide and nitrogen oxides, followed by restoration of affected habitats

Conservation Biology and Global Change: Biodiversity, Threats, and Strategies

Study Guide - Practice Questions

Study Guide - Flashcards