Aim: What kind of negative impact does the introduction of invasive species have on the environment?...

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Aim: What kind of negative impact does the introduction of invasive species have on the environment? Do Now: What do you think the term “invasive species mean?”

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Transcript of Aim: What kind of negative impact does the introduction of invasive species have on the environment?...

Page 1: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Aim: What kind of negative impact does the introduction of invasive

species have on the environment? Do Now:

What do you think the term “invasive species mean?”

Page 2: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Finish Global Warming Notes

Page 3: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Project

Page 4: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

What is an invasive species? A non native species that becomes

established in a new new environment and out competes native species

Does anyone have an example of a invasive species?

Page 5: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Types of invasive species Animals Plants

Pathogens (bacteria)

Page 6: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

What is the problem with an invasive species?

Uncontrolled population growthOut compete native organisms for food/space/resources

Endanger the health of other plants and animals.

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How do invasive species travel? Humans

Wind Water

Page 8: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Humans- Can simply carry a organism.

Some invasives can stow away on a ship or plane.

Wind- Seeds can be carried great distances.

Water- Organisms can be transported on natural “rafts”

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Examples of Invasive Species: Zebra mussel (Dreissena polymorpha) Giant Hogweed (Heracleum mantegazzianum) Asian Tiger Mosquito (Aedes albopictus) Lionfish (Pterois spp.)

Page 10: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Zebra Mussel(2)

Originally from the Caspian and Black Sea.

Introduced to the Great Lakes in 1988. Cause many problems:

Can harm other fresh water mussels Can block intake pipes for power plants Can cause problems for recreational

activities.

Page 11: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Zebra Mussel

Zebra mussels Covering a Crayfish

(3b)

Zebra Musselshowing bysall threads(3a)

Page 12: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Giant Hogweed(2)

Native to Eurasia Introduced to the United States in 1917. Originally used as an ornamental plant It out competes other plants for

resources. It produces a toxic sap.

Page 13: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Giant Hogweed Video (4)

Giant Hogweed

Hogweed (4)

http://www.youtube.com/watch?v=KaV2jwNT0MQ
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Asian Tiger Mosquito(2)

Originally from Asia. Introduced to Hawaii in the late

1800’s. Continental United States in 1985.

Can be a vector for disease. Ex. West Nile Virus

Page 15: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Asian Tiger Mosquito (5)

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Lionfish(2)

Native to the Pacific Ocean Introduced to the water around the

United States in 1992 through the aquarium trade.

Preys on native species. Has poisonous spines.

Page 17: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

Lionfish (6)

Lionfish video (6)

http://www.youtube.com/watch?v=7Zr-XhMsFAE&eurl=http://www.invasivespeciesinfo.gov/aquatics/lionfish.shtml
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What can you do?

1. Obey the rules. Do not transport

plants and animals when you travel.

2. Never release pets into the wild.

3. Learn about invasive species in your area for identification.

4. Use native plants.

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Regents Question

Page 20: Aim: What kind of negative impact does the introduction of invasive species have on the environment? / Do Now: / What do you think the term “invasive species.

HW EdHelper


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