Biodiversity in the Wild
Chapter 16
1. Born to be Wild (Video)
As you watch the video look for the answers to these questions:
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How many wild tigers are thought to exist in the world today?
Which adaptation makes wild tigers strong swimmers?
Do tiger strip patterns look the same for all tiger?
How much do the heaviest adult tigers weight?
How would you describe the effect that a healthy wild tiger population has on an ecosystem?
Which tiger subspecies is now extinct?
What are three different reasons for the disappearance of wild tigers?
Why do you think people still hunt wild tigers?
2. Answer the following questions on a separate sheet of paper. Use these questions as a study guide
when preparing for the test.
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How was biodiversity created?
What changes have occurred to change the biodiversity of the earth?
What is different today?
What is the difference in micro and macro evolution?
Wild species are important because they have value. List the value they have in each of the following
categories:
a. economic
b. medical
c. scientific knowledge
d. ecological services
e. ethical
6. How does the Precautionary Principle relate to biodiversity?
7. What are three levels of extinction?
8. What is the difference in a threatened, endangered and extinct organism?
9. What are the differences in background and mass extinctions?
10. What are examples of animals that are threatened, endangered, and extinct and what were/are the
causes?
11. List 10 characteristics that make a species extinction prone.
12. Name 3 root causes of species endangerment and extinction.
13. List 8 human activities which directly increase the wildlife extinction rate.
14. Define bioaccumulation.
15. Define biomagnifications.
16. Endemic species –
17. Range of a species18. What does the term “biophilia” mean?
19. Commercial extinction –
20. In the United States, biological diversity is the greatest problem in ________.
21. Biodiversity hotspots –
3. Define the vocabulary terms:
On the back of this paper are the terms, laws, and organizations to know.