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Ecology

Ecology. Relationships. Predator/Prey. Coevolution Milkweed  caterpillars store it  birds hate it Some birds tolerate it Poisons Defensive coloration Bright colors = poison Camouflage Mimicry Coloration of a nonpoisonous species mimics the coloration of a poisonous one.

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Ecology

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  1. Ecology Relationships

  2. Predator/Prey • Coevolution • Milkweed  caterpillars store it  birds hate it • Some birds tolerate it • Poisons • Defensive coloration • Bright colors = poison • Camouflage • Mimicry • Coloration of a nonpoisonous species mimics the coloration of a poisonous one

  3. Producer/Consumer • Chemical defenses • Wild tobacco  eaten  emit a chemical into the air to attract bugs that eat the caterpillar • Poison • Distasteful

  4. Symbiotic Relationships • Two or more kinds of organisms interact in often elaborate and ~permanent realtionships

  5. Mutualism (+,+)

  6. Commensalism (+,0)

  7. Parasitism (+,-)

  8. http://www.oceanfootage.com/video_clips/HH01_098?quality=1;size=largehttp://www.oceanfootage.com/video_clips/HH01_098?quality=1;size=large

  9. http://www.oceanfootage.com/video_clips/RF10_301

  10. http://www.oceanfootage.com/video_clips/RF10_090

  11. http://www.oceanfootage.com/video_clips/AG08_026

  12. http://www.oceanfootage.com/video_clips/MD01_041

  13. http://www.oceanfootage.com/video_clips/VM01_014

  14. Energy Flow • Producers • Sun  Energy • Consumers • Energy  feed on producers or other consumers • Herbivore • Eats only producers • Carnivores • Eats other consumers • Ominvores • Eats both • Decomposers (causes decay) • Energy  breakdown wastes and dead organisms • Detritivores • Energy enters and is released as heat • Producers must continue to receive energy to survive

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