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32 Cards in this Set
- Front
- Back
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Humans affect regional and global environments through these three ways
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agricultural, developmental, and industry
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When humans affect the earth it has an impact on...
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Earth's natural resources, including soil, water, and the atmosphere
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Healthy soil supports these two things
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agriculture and forestry
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what are the primary sources of water pollution?
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industrial and agricultural chemicals, residential sewage, and nonpoint sources
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What are the common forms of air pollution?
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smog, acid rain, greenhouse gases, and particulates
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Biodiversity helps by...
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contributing to medicine and agriculture, and the provision of ecosystem goods and services
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This provides for humans needs whil perserving the ecosystems that produce natural resources
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sustainable development
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Humans reduce biodiversity by...
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altering habitats, humting, introducing invasive species, releasing pollution into food webs, and contributing to climate change
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To conserve biodiversity, we must protect ______, perserve _____ and ____, and make certain that humanneighbors of protected areas benefit from participating in ________.
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individual species, habitats and ecosystems, conservation efforts
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the average american has an ecological foorprint over ___ times larger than the global average
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4
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isn't this good looking!
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yup
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the three ways to have a positive impact on our global environment are... come on you can do this!
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1) recognizing a problem in the environment 2) researching that problem to determine its cause 3) using scientific understanding to change our behavior
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farming strategy of planting a single, highly productive crop year after year
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monoculture
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resource that can be produced or replaced by healthy ecosystem functions
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renewable resources
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resource that cannot be replenished by a natural process within a reasonable amount of time
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nonrenewable resources
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strategy for using natural resources without depleting them and for providing human needs without causing long-term environmental harm
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sustainable development
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lower and productivity caused by overfarming, overgrazing, seasonal drought, and climate change
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desertification
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destruction of forests
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deforestation
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harmful material that can enter the biosphere through land, air, or water
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pollutant
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increasing concentration of a harmful substance in organisms at higher trophic levels in a food chain or food web
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biological magnification
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gray-brown haze formed by a mixture of chemicals
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smog
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rain containg nitric and sulfuric acids
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acid rain
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total of the variety of organisms in the biospere
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biodiversity
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variety of habitats, communities, and ecological processes in the biosphere
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ecosystem diversity
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number of different species that make up a particular area
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species diversity
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sum total of all the different forms of genetic information carried by a particular species, or by all organisms on Earth
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genetic diversity
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splitting of ecosystems into pieces
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habitat fragmentation
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small geographic area where signifigant numbers of habitats and species are in immediate danger of extinction
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ecological hot spot
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total amount of functioning ecosystemsneeds both to provide the resources a human population uses and to absorb the wastes that populaion generates
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ecological footprint
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atmospheric layer in which ozone gas is relatively concentrated; protects life on earth from harmful ultraviolent rays in sunlight
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ozone layer
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raising of aquatic organisms for human consumption
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aquaculture
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increase in the average temperatures on Earth
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global warming
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