+ - OR - 0 OR + + G.O.T. = Get On Task Ecology MY GOAL

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Presentation transcript:

+ - OR - 0 OR + + G.O.T. = Get On Task Ecology MY GOAL Measurement TOPIC 6,7,8 MY GOAL G.O.T. = Get On Task Wed 10.10.12 Ecology I will… review symbiosis! Turn to ISN p.57 Look at the bottom Label Mutualism, Commensalism, Parasitism as either a + - OR - 0 OR + + .

Quick Review ISN p.57 + - + + + 0 Close, long term relationship  3 types: One benefits/other harmed + - Both species benefit + + 1 benefits/other not affected + 0 Symbiosis: Parasitism Mutualism Commensalism

Parasitism is… One organism benefits – other harmed. Ex: leech Ex: ticks Ex: tapeworms P

Athlete’s Foot Fungus

Mutualism is… Both species benefit from the relationship. Ex: Ants & Acacia trees = ants get nectar & tree gets protection Ex: Insects & Flower Pollination Ex: ‘Cleaning Stations’  fish travel for mile for to find shrimp that clean their mouths & gill slits Ex: Coral & Algae = coral feed off of photosynthetic algae & algae get a place to live Ex: Termite with bacteria in gut M

Bacteria in our Digestive System The term probiotic comes from the Latin or Gree pro, “before, forward”, and bios, or “life” — thus probiotics are life-promoting. In this case, we use the term probiotics to refer to beneficial bacteria. We have billions of friendly bacteria living in our digestive tract. If you extracted all of the microbes that live in your body, you’d have over a quart of sludge. Each person’s bacterial flora may be as unique as fingerprints. Friendly bacteria help us digest our food and absorb nutrients effectively. In a sense, we don’t actually digest many components of our food — the bacteria digest it.

Commensalism is… One species benefits, other is unaffected. Ex: Cattle Egret & cow – egret gets food when insects fly away from cattle while grazing Ex: Barnacles on whales Ex: Flatworm on Horseshoe Crab Ex: Shark & remora Ex: Squirrel in Oak tree M/C

The Pearl Fish… & the Sea Cucumber…

“The Invisible World” http://www.youtube.com/watch?v=8ZeXCVOnAwA&safety_mode=true&persist_safety_mode=1&safe=active

Study 15 minutes tonight – understand what you learned in class today! … and that Project! EOCA = End of Class Assignment Be the change you wish to see in the world 10 10