4/22/14 WARM UP 1.Grab Folders 2.Pull out notes from yesterday (HUMAN IMPACT NOTES) 3.Answer question on that paper: What must often be added to increase.

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4/22/14 WARM UP 1.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 container b.Adding heat c.More substances d.Adding water

Which of these is an example of energy involved in a chemical change/. a.Dropping a rock b.Heating a burner on stove top c.Freezing an ice cube d.Burning a candle

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?

MONTUESWEDSTHURSFRISATSUN REVIEW FOR TEST 30 ECOLOGY TEST 12 Chemistry Review 34 5 Physics Review 6 Geology Review 7 Ecology Review 8 SAGE TEST 9 SAGE TEST PROJECTS DUE LAST DAY FOR ASSIGN 2223 LAST DAY OF SCHOOL 2425

Biodiversity, Extinction & Exotic Species SWOD: Natural Selection

Biodiversity The number of different species in an area Biodiversity = a variety of animals and life

The value of biodiversity 2 ways: 1. economic value – Foods, resources, commodities -Medicines 2. ecological value – Food webs

Concerns with Biodiversity Decline in habitat  Extinction/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.

Extinction Causes  Causes: 1.Habitat destruction (primary cause) 2.Poaching 3.Pollution 4.Exotic species  discuss later in class

Thylacine

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

Examples of Exotic Species that were harmful Zebra Mussel Kudzu Nutria Rat River Monster & Piranas

Zebra Mussels

Disadvantages 1. Kudzu: prevent soil erosion Kudzu video

Nutria Rat

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