It Stinks! Extinction

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It Stinks! Extinction

• Second Grade

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The Student will

• Recognize that some plants and animals that
  formerly inhabited the earth are no longer
  present on earth.

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What is extinction?
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What is extinction?

• Extinction occurs when plants and animals that
  were on earth are no longer present due to
  environmental or physical changes.

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What causes extinction?

• Habitat loss
• Temperature change
• Pollution
• Over harvesting of plants and animals
• Non-native animals and plants

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Habitat Loss

• Some examples that can cause habitat loss are
• Building cities and roads
• Logging and not replanting trees
• Fires

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What can we do to help?
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Temperature change

• Some examples that can effect temperature change
• Fuels burned from cars and factories

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Pollution

• Some things that can cause pollution are
• Acid rain due to factory exhaust
• Oil spills
• Plastic trash

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Over harvesting of plants and animals

• Due to the demand for exotic animal skins, furs,
  bones, meat, and organs is curtailed, many
  animals are killed by man.  This is usually
  illegal.

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Non-native animals and plants

• Plants and animals find themselves in countries
  where they don't naturally live can upset the
  balance of nature. 
• Sometimes, this happens on purpose, such as when
  people transport the animals. 
• Sometimes, the animals arrive by accident, as
  when an animal may end up in a shipment to
  another country.

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More

• Endangered Animals
• Dinosaur Discovery
• Virtual Zoo
• Dinosaur Floor
• The Dodo Bird
• Extinct Animals
• What Killed the Dinosaurs?
• Endangered or Extinct?