Share and Learn
Risk Factors Affecting Threatened Amphibians, 2007
VISUAL INFORMATION
Based on the graph, what
conclusion can you draw
about the effect of human
behavior on the threat of
amphibian extinction?
Percent of Species
COMPARE AND
CONTRAST Look at the
graph and paragraph 3.
What is similar about the
tople of each? How is the
purpose of each type of text
different?
Herman Distortecce
resive Sozies
Global Warming
Hanresting
Unknown
WORD CHOICE What
structural technique is the
author using in paragraph 37
Why might this technique
be effective? Circle words
and phrases that were
chosen for their specific
meaning.
Many people who are interested in animals, whether they
are animal scientists or animallovers, are concerned about the
Issue of endangered species. Most experts agree that the major
causes of species endangerment can be traced back to human
behaviors that destroy animals' natural habitats,
• Humans steamroll over animal habitats to bulld houses.
businesses, and shopping malls.
• Humans olash and burn the flora that make up animals'
bomen to build massive commercial farms.
• Humans of the mineral and blological resources of
natural habitats for those renources' economic value,
• Humana Impose their highways, railroads, and even
airfields upon animals habitats with no consideration for
the effect on plant and animal populations.
• Humans upset the balance of animals habitats by creating
water pollution, air pollution, and global warming
• Humans barge into animals' homes merely to satisfy thele
need for adventure or recreation,
TONE What overall tone
does the author create in
this section?
Lesson 11 . Reading Persuasive Nonfiction
197