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Alien
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an organism that makes a home for itself in a new place
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terms list

Alien
an organism that makes a home for itself in a new place
Biodegradable
capable of being broken down by the environment
Biodiversity
the number and variety of living things
Conservation
the wise use of and preservation of natural resources
Deforestation
the clearing of forest lands
Nonrenewable resources
"a natural resource that cannot be replaced or that can be replaced only over thousands or millions of years"
Overpopulation
"a condition that occurs when the number of individuals within an environment becomes so large that there are not enough resources to support them all"
Pollutant
a harmful substance in an environment
Pollution
the presence of harmful substances in an environment
Recycling
the process of making new products from reprocessed used products
Renewable resources
"a natural resource that can be used and replaced over a relatively short time period"
Resource recovery
"the process of transforming into usable products things normally thrown away"
Toxic
poisonous
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