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15 Cards in this Set
- Front
- Back
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The Biosphere equals
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All the Earth
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Define Ecology
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The scientific studyof the interactions between organisms and their environments
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Define Abiotic Components
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Non Living Chemical and physical factors
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Define biotic Components
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They are the living factors
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What are the 4 levels of Ecology
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1)Organismal
2)Population 3) Community 4) Ecosystem |
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Individual Adaptation is what level of Ecology
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Organismal
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Groups of individuals of the same species, living in the same area is what level of Ecology
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Popultaion
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Groups of populations of multiple speciesis what level of Ecology
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Community
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All different species living together (+) the abiotic factors is what level of Ecology
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Ecosystem
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True or false: Our current awarness of the Biosphere's limits stems mainly from the 1970's
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False it's the 1960's
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What about the pesticide DDT?
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* Improved agriculture production.
*Developed in the 1950's *Was determined to have harmful side effects * DDT concentrates as it moves up the food chain. |
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Why does DDt concentrate as it moves up the food Chain.
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DDT Doesn't break down as steadily in the environment or the host. When the host gets eaten, the level of DDT is added to the level the preditor already has in their system.
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The first ecologist to percieve the global dangers of pesticide abuse
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Rachel Carson
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What was the name of the book RACHEL Carson wrote that helped to initiate current environmental awareness
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" Silent Spring"
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What are the 5 elements of Ecology?
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1) Sunlight
2) Water 3) Temperature 4) Wind 5) Rock and Soil |
