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Catalyst

Catalyst . Exploring Symbiosis Station 1: Clownfish and Anemone. The clownfish lives in the anemone and is protected from the outside ocean. The clownfish also cleans the anemone and scares away predators. Exploring Symbiosis Station 2: Lichens (Algae + Fungus).

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Catalyst

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  1. Catalyst

  2. Exploring SymbiosisStation 1: Clownfish and Anemone The clownfish lives in the anemone and is protected from the outside ocean. The clownfish also cleans the anemone and scares away predators.

  3. Exploring SymbiosisStation 2: Lichens (Algae + Fungus) A lichen is a combination of algae and fungus that lives on a tree. The algae secretes food for the fungus, while the fungus protects the algae from the weather

  4. Exploring SymbiosisStation 3: Archerfish Archerfish are able to knock down insects on low-lying branches by literally shooting streams of water. They can then eat the insects.

  5. Exploring SymbiosisStation 4: Hookworms and Humans Hookworms are microscopic organisms that can enter humans by burrowing into their skin, often on their feet. They enter the intestinal tract, where they drink a significant amount of blood. This can result in severe physical and mental impairment in the human. (Don’t worry – they’ve been almost entirely eliminated from the US)

  6. Exploring SymbiosisStation 5: Staphylococcus and Humans! Staphylococcus (or Staph for short) are bacteria that live on human skin The human is not affected by the staph, but the staphylococcus gain food and shelter on the skin

  7. Exploring SymbiosisStation 6:Grouper and Cleaner Fish Cleaner Fish eat food out of the Grouper’s teeth. • The Cleaner Fish get food, while the Grouper gets cleaner, healthier teeth

  8. Relations among organisms • There are three types of relationships among organisms: • Mutualism • Commensalism • Parasitism

  9. Mutualism What is it? An interaction between two species that benefits both. (“win-win”)

  10. Commensalism What is it? An interaction between species that benefits one and does not harm the other. Yay! I don’t mind!

  11. Parasitism What is it? One organism benefits but the other organism is harmed. Alright! Boooo!

  12. Predation: NOT a symbiotic relationship! Predation is when a predator seeks out and eats another organism (called a prey) Don’t get confused with parasitism

  13. Back to the stations… • Use what you have written for each organism and your new knowledge of relationships to identify whether each relationship is a: • Mutualism • Commensalism • Parasitism

  14. 2 Examples: • Giraffes and oxpeckers • The tongue biters • On your worksheet decide which kind of relationship is occurring and how you know

  15. Parasitism Example: Mistletoe and Trees Mistletoe is a plant that latches on to trees and steals food from them. The mistletoe benefits, but the tree is harmed.

  16. Mutualism Example: Flowers and insects The insects help spread pollen to make new plants. The flowers give the insects food

  17. Commensalism Example: The remora fish and a shark The remora fish suctions on to the shark for a free ride. The shark doesn’t mind!

  18. Parasite Article • Read the article on mind controlling parasites and answer the questions on the last page • While you read, be sure to annotate

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