dynamic ecosystems – unit 2 aos 2. aims 1.to describe the five key relationships between organisms...
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Dynamic Ecosystems – Unit 2 AOS 2
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Aims
1. To describe the five key relationships between organisms found in ecosystems
2. To be able to apply this knowledge in a novel setting
3. To investigate interactions among organisms in an ecosystem of choice
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RELATIONSHIPS 1A AND 1B
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Two types of competition
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RELATIONSHIP 2
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Video
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ADAPTATIONS TO OVERCOME PREDATORS
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Monarch Butterfly (bad taste) Viceroy Butterfly
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SYMBIOSIS
Is an extended association between 2 species in a community where at least one of the organisms benefitsThere are three different types of Symbiosis Relationships, we will examine each of these
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RELATIONSHIP 3
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Video
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RELATIONSHIP 4
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Video
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RELATIONSHIP 5
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Ectoparasite Host Endoparasite(Sucking lice)(chipmunk) (Pinworms)
ectoparasites (sucking lice) host (chipmunk) endoparasites (pinworms)
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Relationship Description
Parasitism
Predator-Prey Relationships
Intra-species Competition
Mutualism
Inter-species Competition
Commensalism
One organism lives on or in another organism and feeds on it, without killing it The same species compete for resources for survivalTwo different species both benefit from having a relationshipOne species benefits from a relationship with another
organism while the other is neither harmed nor benefitsOne organism kills and feeds off another organism. Two different species compete over resources for survival
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Activity: Imaginary Organisms
• Break up into groups of 3 • You will be given a set of cards • Each set will contain imaginary organisms with
different needs. • Create each of the 5 relationships by matching
organisms up based on their needs. • You will need to add information to make the
relationships make sense
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Research Task
• Break up into groups of three• Based on previous lessons, choose an
ecosystem that interests you• Research the interactions among organisms
found in this ecosystem• Create a poster mapping out these relationships • You will be asked to present your findings to the
rest of the class at the end of the lesson