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Do Now – Level 0 EMI 402

Do Now – Level 0 EMI 402. Literal definition: the act of living together. What is symbiosis?. What it means: Two organisms of different species that live together At least one of the organisms benefits from the relationship. What are the 3 different kinds of symbiosis?. Mutualism.

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Do Now – Level 0 EMI 402

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  1. Do Now – Level 0EMI 402

  2. Literal definition:the act of living together What is symbiosis? What it means: Two organisms of different species that live together At least one of the organisms benefits from the relationship

  3. What are the 3 different kinds of symbiosis? Mutualism Commensalim both organisms benefit one organism benefits one organism benefits Parasitism one organism is unaffected one organism is harmed

  4. This little fish is helping me by cleaning my teeth!!! Yeah!!! Mutualism Section 2.1 Summary – pages 35 - 45 • A symbiotic relationship in which both species benefit is called mutualism. I’m eating the big fish’s food so he’s helping me too! Yeah!!! Moray Eel with Cleaner Fish

  5. Moray Eel gets a clean mouth Cleaner Fish gets a meal Mutualism: both benefit

  6. Antelope with Oxbird Antelope gets rid of parasites Oxbird gets a meal Mutualism: both benefit

  7. Mutualism and flowers! Flowers provide food for insects. Insects spread the seeds of flowers. Both organisms benefit!

  8. Commensalism • Commensalism is a symbiotic relationship in which one species benefits and the other species is neither harmed nor benefited. “Hakuna Matata” or Whatever! Yay!!

  9. Commensalism Section 2.1 Summary – pages 35 - 45 In this picture, Spanish moss is growing on the trees. The moss benefits because it has a place to live, and the tree doesn’t care.

  10. Cattle with cattle egrets Cattle stir up insects as they eat grassEgrets hang around and eat insects Commensalism: one benefits, one is unaffected

  11. Clown fish with Anemone Clown fish gets protection from larger fish Anemone is unaffected Commensalism: one benefits, one is unaffected

  12. Parasitism Section 2.1 Summary – pages 35 - 45 • A symbiotic relationship in which a member of one species benefits and the other species is harmed is called parasitism.

  13. Parasitism!!! Dog and Heartworm Heartworms are a type of worm that live inside a dog’s heart. They use that space for their house, and feed off of the nutrients inside the dog’s body. This causes the dog to get very, very sick and sometimes die.

  14. Example 6:Taenia worm in human eye Worm infects human blood streamHuman may go blind Parasitism: one benefits, one is harmed

  15. Parasitism Section 2.1 Summary – pages 35 - 45 • Parasites have evolved in such a way that they harm, but usually do not kill the host species. Tapeworms are parasites. They attach to your intestines and suck out all of your food. the tapeworm benefits, and the host is harmed because they slowly starve to death. One of the ways to get rid of a tapeworm is to starve yourself and then place a piece of meat in front of your mouth. The tapeworm will smell the meat and climb up your throat and out of your mouth.

  16. Guinea Worm-Another parasite!

  17. Section 2.1 Summary – pages 35 - 45 Predation • A predator is a type of consumer. Predators seek out and eat other organisms. Predator Prey

  18. Symbiosis Video http://www.youtube.com/watch?v=uxVMeLWzB_o

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