Ap environmental Science Ch. 1-3
Terms
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- environmental science
- 1) how the earth works 2)how we are affecting the earth 3) how to face environmental problems
- ecology
- biological science that studies relationships between living organisms and their environment
- three major things that led humans from being hunter gathers
- 1) agricultural revolution (10,00 -12,000 years ago) 2) industrial revolution (about 275 years ago) 3) information and globalization revolution (50 years ago
- renewable resources
- a resource that can be renewed fairly rapidly (hours to several years)
- perpetual resource
- a resource that is renewed continuous (sunlight)
- doubling time
- number of years or time it takes for a population to double in size
- Environment
- everything that affects a living organism
- Six important Environmental issues
- 1) population growth 2) increasing resource use 3) Global climate change 4) premature extinction of plants and animals 5) pollution 6) poverty
- ecological footprint
- the amount of land needed to produce the resources for an average person
- nonrenewable resources
- resources that exist in a fixed quantity or stock
- Exponential growth
- a quantity increases by a fixed percentage if the whole in a given time
- Pollutants
- 1) natural pollution occurs from volcanic eruptions and other such things 2) human pollution