Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your...
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Transcript of Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your...
![Page 1: Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your seat Start writing your answer to today’s warm-up:](https://reader035.fdocuments.in/reader035/viewer/2022070416/5697c0211a28abf838cd2a2d/html5/thumbnails/1.jpg)
Species Interactions
November 2, 2015
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Do Now
• Collect materials from the front of the room• Take your seat• Start writing your answer to today’s warm-up:
What kinds of interactions exist between organisms that live in the
same habitat?
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Announcements
• There will be a quiz on Thursday/Friday!– Introduction to Environmental Science– Scientific Inquiry– The Tragedy of the Commons– Species Interactions– Carrying capacity
![Page 4: Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your seat Start writing your answer to today’s warm-up:](https://reader035.fdocuments.in/reader035/viewer/2022070416/5697c0211a28abf838cd2a2d/html5/thumbnails/4.jpg)
Announcements
• Check out the class website:
https://sites.google.com/site/DrMooreScience/
![Page 5: Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your seat Start writing your answer to today’s warm-up:](https://reader035.fdocuments.in/reader035/viewer/2022070416/5697c0211a28abf838cd2a2d/html5/thumbnails/5.jpg)
Objective
• Explain the major types of species interactions
By the end of class, students will be able to:
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Ecosystems: Interactions, Energy, and Dynamics
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What kinds of interactions exist between organisms that live in the
same habitat?
Habitat: Where an organism lives
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There are three major types of interactions between organisms
1. Predation2. Competition3. Symbiosis
![Page 9: Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your seat Start writing your answer to today’s warm-up:](https://reader035.fdocuments.in/reader035/viewer/2022070416/5697c0211a28abf838cd2a2d/html5/thumbnails/9.jpg)
1. Predation /
• Predation is an interaction in which one organism kills another for food.
• The organism that does the killing for food is the predator.
• The organisms that is killed for food is the prey.
What is predation?
What is the relationship between predator and prey?
![Page 10: Species Interactions November 2, 2015. Do Now Collect materials from the front of the room Take your seat Start writing your answer to today’s warm-up:](https://reader035.fdocuments.in/reader035/viewer/2022070416/5697c0211a28abf838cd2a2d/html5/thumbnails/10.jpg)
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2. Competition /
In any ecosystem, there is a limited amount of food, water and shelter.
Competition is the struggle between organisms to survive as they attempt to use the same limited resource.
What is competition?
What do organisms have to do in order to reduce competition?
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Example of competition
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Niches
• Niche: How an organism survives in its habitat
• Potential niche: The total space that is suitable for an organism in the absence of predators and competitors
• Actual niche: The actual space that an organism can inhabit as a result of the influence of predators and competitors
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3. Symbiosis /??
• Any relationship in which two species live closely together
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Three types of symbiosis
• Mutualism - both species benefit
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Mutualism: Zebra and oxpecker
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Three types of symbiosis
• Commensalism - one species benefits, the other is not affected
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Commensalism: whale and barnacles
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Three types of symbiosis
• Parasitism - one species benefits while the other is harmed
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Parasitism: human and mosquito
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What symbiosis is…?
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What symbiosis is… ?
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What symbiosis is… ?
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Coral is a symbiosis between an animal and a photosynthetic protist
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https://www.youtube.com/watch?v=_ZfGIKiSwwQ
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https://play.kahoot.it/#/lobby?quizId=e3a18c3b-2f7d-425f-81f8-b90c7d362102
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Exit Ticket
• What kind of symbiosis exists between humans and dogs? Defend your answer!