4/22/14 warm up
DESCRIPTION
4/22/14 WARM UP. Grab Folders Pull out notes from yesterday (HUMAN IMPACT NOTES) Answer question on that paper: What must often be added to increase the speed or ability of two substances to react? A bigger container Adding heat More substances Adding water. - PowerPoint PPT PresentationTRANSCRIPT
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4/22/14 WARM UP1. Grab Folders
2. Pull out notes from yesterday (HUMAN IMPACT NOTES)
3. Answer question on that paper:
What must often be added to increase the speed or ability of two substances to react?a. A bigger containerb. Adding heatc. More substancesd. Adding water
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• Which of these is an example of energy involved in a chemical change/.a. Dropping a rockb. Heating a burner on stove topc. Freezing an ice cubed. Burning a candle
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5. Suburban Sprawl & Deer
• What is it: When people build communities right on the
edge of a natural habitat for a species – then many species will start to come into the developed land
• Issue:• What to do?
• http://ur.umich.edu/9596/May07_96/artcl18.htm, http://www.rpaforall.org/RPA%20Factsheet%205.pdf
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MON TUES WEDS THURS FRI SAT SUN
21 22 23 24 25 26 27
28 29REVIEW FOR TEST
30ECOLOGYTEST
1 2ChemistryReview
3 4
5PhysicsReview
6GeologyReview
7Ecology Review
8SAGETEST
9SAGE TEST
10 11
12 13 14PROJECTSDUE
15 16 17 18
19 20 21LAST DAY FOR ASSIGN
22 23LAST DAY OF SCHOOL
24 25
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Biodiversity, Extinction & Exotic Species
SWOD: Natural Selection
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Biodiversity• The number of different species in an area • Biodiversity = a variety of animals and life
• http://fc01.deviantart.net/fs30/i/2008/077/b/8/Diversity_of_Species___Brushes_by_scumbugg.jpg
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The value of biodiversity
• 2 ways:• 1. economic value– Foods, resources, commodities- Medicines
• 2. ecological value– Food webs
• http://www.biologycorner.com/resources/foodweb1.gif
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Concerns with Biodiversity
• Decline in habitatExtinction/endangered species
(extinction = organism is completely gone(endangered = very few species left and could possibly become extinct)Causes: watch video and write down all the
causes of extinction.
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Extinction CausesCauses:1. Habitat destruction (primary cause)2. Poaching3. Pollution4. Exotic species discuss later in class
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Thylacine
http://www.fxdirectory.info/wp-content/uploads/2011/03/Baiji-dolphin-is-endangered-habitat.jpg• http://en.wikipedia.org/wiki/File:Pteropus_conspicillatus.jpg• http://www.dodo.blog.br/wp-content/uploads/2007/08/ferahgo.jpg
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Exotic/Introduced/Invasive species
• Advantages: • Pollination• Food– Butterflies feeding on non-native plants
• Reforestation– Exotic trees restore forest to help bring back
native species• Endangered
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Examples of Exotic Species that were harmful
• Zebra Mussel• Kudzu• Nutria Rat• River Monster & Piranas
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Zebra Mussels
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Disadvantages
• 1. Kudzu: prevent soil erosion• Kudzu video
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Nutria Rat
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Disadvantages of Exotic Species
• In your tables, come up with a list of 4 disadvantages that come with introducing an exotic species.
• Think of 2 other exotic species we did not discuss in class