Definitions Extinct A species of plant or animal

Definitions Extinct  A species of plant or animal

Definitions Extinct

A species of plant or animal that is no longer living.

Endangered A species that is in immediate danger of becoming

extinct and needs protection to survive.

Threatened A species that is likely to become endangered if it is

not protected.

Ways That Species Become Endangered

1. 2.

3. 4.

5. 6.

Habitat Loss

Unregulated or illegal killing or collecting Pesticides, pollution

Competition with other species Disease

Predation

Definitions Ecosystems

All living things and their environment in an area of any size, linked together by energy and nutrient

flow.

Natural Diversity The wide variety of living things that make up an

ecosystem.

National Wildlife Refuge System

Ways You Can Help Learn as much as you can about endangered

species in your area. Visit a nearby national wildlife refuge or

nature center. Volunteer to help.

Dont buy species illegally taken from the wild.

Dont buy products made from threatened or endangered animals.

Knowledge Quiz

1. What does endangered mean? 2. What are two examples of endangered species? How did

each of them become endangered? 3. What is the main reason that most species become

endangered? 4. What are two examples of species that became

endangered because something in their ecosystem had become disturbed?

5. Name two ways that wildlife biologists are working to save endangered species?

6. What are two species that are success stories, brought back from the brink of extinction?

7. How can you help?

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