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Related Flashcards
Cards In This Set
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environmental science (also called "ecology")
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The study of how humans interact with the environment
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Extinction
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The irreversible disappearance of a population or species
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habitat fragmentation
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The breaking up of habitats into smaller, isolated pieces/areas
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biotic components
"bio" means ________________________ |
Living parts (plants, animals, bacteria, etc.) of the environment
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abiotic components
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Not [ever] living parts (rocks, water, weather elements, etc.) of the environment
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Three major categories of environmental problems
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1. resource depletion,
2. pollution, 3. extinction (most significant challenge we face!) |
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Three factors affecting the increased rate of extinction:
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1. destruction of habitats,
2. pollution, 3. habitat fragmentation due to human population expansion |
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Rachel Carson, author of the book "Silent Spring"
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Made the public aware of the ecological damage caused by the use of pesticides and other environmental issues
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Yellowstone National Park
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Established by President Teddy Roosevelt, oldest national park in the United States
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Hierarchy of living things (from smallest to largest)
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1. organism
2. population 3. community 4. ecosystem 5. biosphere |
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population
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A number of individuals
of the same species, in the same place, at the same time. |
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Community
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All the different populations living in a given area and time
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omnivore
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An animal that eats both PLANTS and ANIMALS
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carnivore
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An animal that ONLY eats other animals
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herbivore
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An animal that ONLY eats plants
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