Human Impact on ecosystem
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| renewable resources | over time, resources that can be replaces (solar energy, wind, water)
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| Nonrenewable resources | Resources that can not be replaced (fossil fuel, minerals)
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| How to preserve our resources | 3 R's: Reduce, Reuse, Recycle
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| Pollution | a harmful change in the chemical makeup of the soil, water, or air
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| Atmospheric Quality | the levels of carbon dioxide and oxygen in the atmosphere are suitable for life.
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| Soil Formation | soil forms when weathering breaks down rocks and organic materials from decaying plants and animals accumulate.
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| The water cycle | evaporates (water vapor rises to atmosphere)> condensation (water collects in clouds)>precipitation (rain, snow, hail)> runoff (water collects on the ground)
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| Energy Flow | food chains, food webs, energy pyramid: How energy is passed in the ecosystem
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| Carrying capacity | The number of individuals of a species the environment can support
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| Direct Harvesting | the destruction or removal of species from their habitats
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| deforestation | the destruction of forests resulting from human activity
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| biodiversity | a wide variety of different species living together in an ecosystem
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| Forms of pollution | Water, air,
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| Examples of Air pollution | burning fossil fuel, acid rain, smog
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| Global Atmospheric Changes | world wide changes to the atmosphere that threaten many habitats.
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| Global warming | The earth's average temperature is rising.
effects the climate and melting of ice caps
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| Ozone Depletion | The ozone is a layer in the atmosphere that protects earth from the sun's radiation. If the ozone becomes too thin or has holes, these harmful rays can harm (skin cancer, genetic mutations, destroy organisms, disrupt food chains.
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Created by:
shann1
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