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![Page 1: Environmental Science Objective: Give examples of how parts of the environment interact.Give examples of how parts of the environment interact. Explain.](https://reader035.fdocuments.in/reader035/viewer/2022072011/56649e205503460f94b0b24b/html5/thumbnails/1.jpg)
Environmental ScienceEnvironmental Science
Objective:Objective:•Give examples of how parts of the Give examples of how parts of the environment interact.environment interact.•Explain how science influences decision-Explain how science influences decision-making process.making process.
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Environment Environment
• Environment- everything that surrounds an organism.
• How would you describe your environment?
• Why do we study the environment?
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EnvironmentEnvironment
• Everything that an organism needs is provided by its environment.
• As conditions change in an environment and organisms may not be able to survive these changes.
• Keeping the environment healthy is important to keep our biosphere healthy and able to continue to support life.
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Environmental ScienceEnvironmental Science
• Is an integrated science
• It draws from many different fields– Biology– Physics– Chemistry
• Table 2.1 page 27
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Scientists-WaterScientists-Water
• Hydrologist– Flow of Earth’s water
• Oceanographer– Ocean environments
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Scientists-AirScientists-Air
• Meteorologist– Weather and the atmosphere
• Climatologist– Global weather patterns
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Scientists-LandScientists-Land
• Geologist– Structure and history of Earth
• Seismologist– Movements of Earth’s surface
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Scientists-OrganismsScientists-Organisms
• Biologists– Structure and behavior of organisms
• Ecologists– Interactions of organisms with their environment
• Paleontologist– Prehistoric life and fossils
• Anthropologist– Structure of human societies
• Microbiologist– Study of microorganisms
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Ecology Ecology
• Ecology is the study of the interaction of organisms with their environment and other organism
• Ecology differs from environmental science in that with ecology the main principles do not change with the addition of man
• Environmental science incorporates the impact of man
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Parts of the EnvironmentParts of the Environment
• Two main factors– Biotic factors– Abiotic factors
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Biotic FactorsBiotic Factors
• Biotic factors- all the living parts of the environment– Bio- means “living”– -ic means “related to”
• Examples– Animals– Plants– microbes
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Abiotic FactorsAbiotic Factors
• Abiotic factors- all the nonliving parts of the environment.– A- means “not” or “without”– -bio means “living”– -ic means “related to”
• Examples– Temperature– Sunlight– Soil
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Environmental InteractionsEnvironmental Interactions
• Organism are affected by the biotic and abiotic factors of their environment and they in turn have an effect on the environment
• Changes in the environment may require the organisms to make adjustments
• Changes on one organism could result in effect on another organisms– Butterfly and the lupine flower
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Coyotes, deer, wolves and Coyotes, deer, wolves and mountain lions mountain lions
in the Grand Canyon in the Grand Canyon • In the 1900’s coyote, wolves and mountain lions where
hunted to almost the point of extinction.• They were believed to be of danger to livestock and
farmers• They are the main predator of deer and without them the
deer population exploded. (25 times greater)• The deer ate almost all the available vegetation in the
area.• The area could no longer support such a large
population and 60,000 deer starved to death.• No one had predicted that the hunting of coyote, wolves
and m.lions would lead to the starvation of 60,000 deer.
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ReviewReview
• How do the biotic and abiotic factors of an environment interact?
• How does science influence decision making?