Snakebites Around the World

earth science: integrating visual information

Name:

BITE PATTERN

In "Bitten!" (p. 8), you learned how scientists create medications to treat people who have been bitten by venomous snakes. The map below shows the average number of people bitten by venomous snakes per year in different parts of the world. Study the map, and then answer the questions that follow.

Snakebites Around the World

TROPIC OF CANCER

NORTH AMERICA

EUROPE AFRICA

ASIA

EQUATOR

SOUTH AMERICA

TROPIC OF CAPRICORN SOURCE: WORLD HEALTH ORGANIZATION

ANTARCTICA

Average number of snakebites per year

More than 100,000 10,001 to 100,000 1,001 to 10,000 1,000 or fewer Snake-free zone

AUSTRALIA

QUESTIONS

1. What's the range for the average number of snakebites

that occur annually in the U.S.?

4. What is the only continent with no snakes? What does

that suggest about the conditions under which snakes can survive?

JIM MCMAHON/MAPMAN?

2. What geographic region has the highest average number

of venomous snakebites per year? Circle it on the map.

3. How would you describe the geographic distribution of

venomous snakebites in Africa?

5. Which of the following statements is supported by the

data shown on the map?

A Australia and most of Africa have similar numbers of

venomous snakes.

B In general, venomous snakebites are more common in

tropical regions.

C There are fewer venomous snakes in Europe than in

North America.

D Nearly all venomous snakebites occur in Asia.

Permission granted by Science World to reproduce for classroom use only. ?2019 by Scholastic Inc. All rights reserved.

SEPTEMBER 23, 2019

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