Catalyst
description
Transcript of Catalyst
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Catalyst
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The clownfish lives in the anemone and is protected from the outside ocean. The clownfish also cleans the anemone and scares away predators.
Exploring SymbiosisStation 1: Clownfish and Anemone
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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
Exploring SymbiosisStation 2: Lichens (Algae + Fungus)
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Archerfish are able to knock down insects on low-lying branches by literally shooting streams of water. They can then eat the insects.
Exploring SymbiosisStation 3: Archerfish
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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)
Exploring SymbiosisStation 4: Hookworms and Humans
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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
Exploring SymbiosisStation 5: Staphylococcus and Humans!
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Cleaner Fish eat food out of the Grouper’s teeth.
The Cleaner Fish get food, while the Grouper gets cleaner, healthier teeth
Exploring SymbiosisStation 6: Grouper and Cleaner Fish
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There are three types of relationships among organisms: ◦ Mutualism ◦ Commensalism ◦ Parasitism
Relations among organisms
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What is it?An interaction between two species that benefits both.
(“win-win”)
Mutualism
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What is it?An interaction between species that benefits one and does not harm the other.
Yay! I don’t mind!
Commensalism
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What is it?One organism benefits but the other organism is harmed.
Alright! Boooo!
Parasitism
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Predation is when a predator seeks out and eats another organism (called a prey)
Don’t get confused with parasitism
Predation: NOT a symbiotic relationship!
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Use what you have written for each organism and your new knowledge of relationships to identify whether each relationship is a:
◦ Mutualism ◦ Commensalism ◦ Parasitism
Back to the stations…
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Giraffes and oxpeckers
The tongue biters
On your worksheet decide which kind of relationship is occurring and how you know
2 Examples:
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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.
Parasitism
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Example: Flowers and insects
The insects help spread pollen to make new plants.The flowers give the insects food
Mutualism
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Example:The remora fish and a shark
The remora fish suctions on to the shark for a free ride.
The shark doesn’t mind!
Commensalism
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Read the article on mind controlling parasites and answer the questions on the last page
While you read, be sure to annotate
Parasite Article