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41 Cards in this Set
- Front
- Back
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Population |
individuals of the same species, same place and same time |
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Birth Rate |
How many babies are born |
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Death Rate |
How many people are dying |
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Immigration |
Individuals entering a population |
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Emigration |
Individuals leaving a population |
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Biotic Potential |
Maximum rate a population can increase under optimal conditions |
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Exponential Growth |
The J curve, a steep growth on a chart representing population growth Under ideal conditions |
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Carrying Capacity |
Largest population a particular environment can support under sustainable conditions |
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Environmental Resistance |
Anything that can limit resources in an environment |
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Current Human Population |
7.4 Billion People |
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What is the expected population by 2050? |
8.1 Billion to 10.6 billion Depends on family planning and utilization of resources |
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Population Crash |
Abrupt decline from high to low numbers of individuals |
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Overshot Capacity |
Introduced deer to an island, 25 years of exponential growth, overshot carrying capacity and most starved to death |
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Earth's carrying capacity |
7.7 Billion People |
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Thermosphere |
300 Miles, extremely thin air, northern lights occur here |
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Mesopshere |
50 Miles, shooting stars occur |
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Stratosphere |
30 miles wide, ozone layer |
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Troposphere |
7.5 Miles wide, closest to earth's surface, weather events |
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Ecosystem services the atmosphere provides |
Protects earth from UV & X-ray, keeps Earth's temp within living range, greenhouse gases prevent heat from escaping into space |
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Particulate Air Pollution |
Burning of fossil fuels, dusts/mists, introduces chemicals to the body |
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Carbon Monoxide & Carbon Dioxide |
Poisonous, Burning fossil fuels, introducing chemicals to the body, causes irregular heart beat, asthma, heart & lung disease |
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Acid Rain |
Sulfur released, creates lower ph in waters, corrodes metal, conserve electricity |
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House Pollution |
Candles, fake house plants |
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All life is |
Carbon Based |
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How to remove carbon |
photosynthesis, absorption by oceans |
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How to release carbon back |
Animals & human exhale, decomposition, cremation, burning organic stuff |
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Fossil Fuels |
Living things 200-300 million years ago, didn't decompose Stored underground for millions of years |
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Weather |
Conditions in an area at a given place and time |
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Climate |
Average weather pattern across a region over a long period |
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Evidence Average Earth Temperature is Increasing |
Melting Ice Caps 15 of 16 hottest years since 2001 Continental Ice Sheets |
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Munincipal SOlid Wastes |
Wastes by homes, businesses & towns Garbage, food, paper, plastics |
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Sanitary Landfill |
Double linear system at bottom, garbage dumped on top & soil covers it Problems: Run out of space, no decomposition, produces methane, and pollute |
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Incineration |
Burning of garbage, volume reduced by 90%, produces heat to make steam which can make electricity Problems: expensive, air pollution, no one wants it in their towns |
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Composting |
Food & waste, decomposers eat away at the waste, creates nutrient rich soils |
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Biodegradeable |
used as food source by bacteria & funghi |
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Photodegradeable |
Sunlight causes plastic to become brittle & break into pieces |
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Reducing waste |
Reduce, reuse, recycle, rot, donate |
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E-Waste |
Electronic devices that go to landfills |
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Toxic waste |
Dangerous chemicals that threaten health or environment |
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Love Caral |
Hooker Chemical Company dumped chemicals & covered with top soil Land sold, school build on top, contamination, families evacuated |
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Superfund Act |
Locates & cleans hazardous waste sites and holds polluters accountable for cost of clean up |
