APES Chapter 9 Reading Guide

Last updated over 3 years ago
26 questions

Chapter 9 -- Sustaining Biodiversity: Saving Species and Ecosystem Services

Core Case Study

1

What ecosystem service do honeybees provide?

1

What is the concern regarding European honeybees?

9-1 What Role Do Humans Play in the Loss of Species and Ecosystem Services?

1

Define biological extinction.

1

Define mass extinction.

1

What do scientists consider as the normal background extinction rate? How many species does this equate to that would disappear naturally each year? (Read a few paragraphs down for this answer; it’s there.)

1

What do scientists estimate is the current annual rate of species extinction? How many species does this equate to that would disappear each year? Each day?

1

Define endangered species.

1

Define threatened species.

1

Differentiate between regional extinction and functional extinction (i.e. ecological extinction).

9-2 Why Should We Care About Sustaining Species and the Ecosystem Services They Provide?

1

Biologists use 3 major reasons for why we should work to prevent our activities from causing or hastening extinction of other species. What are they?

9-3 How Do Humans Accelerate Species Extinction and Degradation of Ecosystem Services?

1

Identify the components of the acronym HIPPCO.

1

What is the greatest threat to wild species?

1

Define habitat fragmentation.

1

True or False. All nonnative species are invasive. Explain your answer.

1

In 2-3 sentences, summarize where these invasive species came from, the problems they cause, and a proposed solution:
Kudzu vine and Kudzu bugs
Argentina fire ant
Burmese pythons

1

What is the best way to reduce threats from invasive species?

1

Pollution such as the use of pesticides can impact other species. Explain the impact of DDT on bald eagle populations.

1

How is climate change affecting polar bears?

1

Give 2 examples of animals that are poached and why they are poached.

1

70% of the world’s 10,000 known bird species are threatened. Songbird populations have declined sharply. What is the primary reason?

1

What are 2 reasons we should be concerned about the decline of bird species?

9-4 How Can We Sustain Wild Species and Their Ecosystem Services?

State the purpose and limitations of the following treaties/laws (you need to know and understand each of these).
1

1975 Convention on International Trade in Endangered Species (CITES):

1

Convention on Biological Diversity (CBD)

1

The U.S. Endangered Species Act of 1973

1

Read pages 210-211. List 4 ways that we can protect species.

1

What is the precautionary principle?