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Life at Risk

PASSENGER PIGION The Earth has lots of different environments that support animal and plant species. Changes in an environment can have a negative impact on certain species ability to survive. When that happens plant and animal species can become endangered or even extinct. Extinct species are plants and animals that no longer exist on Earth. Changes in an environment can be natural or caused by humans and can have an impact on wildlife in an environment

Did You Know?

... extinct species are species that no longer exist on Earth.

... that non-native species can threaten native species.

... that some scientists believe that dinosaurs became extinct because a meteorite hit the Earth.

What Do You Think?

Click here to test your endangered and threatened species knowledge.

NatureFiles

File Folder Learn more about some animals that are endangered or threatened species.

Florida panther	bighorn sheep
ocelot	red wolf
piping plover	Canada lynx

Teacher's Guide

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View Online

In segment one, Patrice looks at some of the factors that could endanger plant and animals species. Then she joins Dave to learn about the wood turtle. Next, we take an up-close look at the peregrine falcon. Finally, Sarah and Octave join Susi von Oettigen of the US Fish and Wildlife Service as she monitors the health of dwarf wedge mussels. Watch Online >>