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PSSA Science Vocab
Page 1
13
Science
11th Grade
04/11/2012

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Cards

Term
Abiotic
Definition
A nonliving factor or element
Term
Acid deposition
Definition
Precipitation with a pH less than 5.6 that forms in the atmosphere when certain pollutants mix with water vapor
Term
Allele
Definition
Any of a set of possible form of a gene
Term
Biochemical conversion
Definition
The changing of organic matter into other chemical forms
Term
Biological diversity
Definition
The variety and complexity of species present and interacting in an ecosystem and the relative abundance of each
Term
Biomass conversion
Definition
The changing of organic matter that has been produced by photosynthesis into useful liquid, gas or fuel
Term
Biomedical technology
Definition
The application of health care theories to develop methods, products and tools to maintain or improve homeostasis
Term
Biomes
Definition
A community of living organisms of a single major ecological region
Term
Biotechnology
Definition
The ways that humans apply biological concepts to produce products and provide services
Term
Biotic
Definition
An environmental factor related to or produced by living organisms
Term
Carbon chemistry
Definition
The science of composition, structure, properties and reactions of carbon based matter, especially of atomic and molecular systems; sometimes referred to as organic chemistry
Term
Closing the loop
Definition
A link in the circular chain of recycling events that promotes the use of products made with recycled materials
Term
Commodities
Definition
Economic goods or products before they are processed an/or given a brand name, such as products of agriculture
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