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PSSA TERMS #1
science glossary worksheet.
23
Biology
10th Grade
09/11/2011

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Term
Abiotic.
Definition
of/ or characterized by the absence of life or living organisms.
Term
Acid Deposition.
Definition
compound that forms hydrogen ions in solution.
Term
Allele.
Definition
one of a number different forms of a gene.
Term
Biochemical Conversion.
Definition
the process in which elements, chemical compounds, and other forms of matter are passed from one organism to another and from one part of the biosphere to another.
Term
Biological Diversity.
Definition
total of the variety of organisms in the biosphere.
Term
Biomass Conversion.
Definition
Term
Biomedical Technology.
Definition
Term
Biomes.
Definition
groups of ecosystems that share similar climates and typical organisms.
Term
Biotechnology.
Definition
process of manipulating organisms, cells, or molecules to produce specific products.
Term
Biotic.
Definition
pertaining to life.
Term
Carbon Chemistry.
Definition
Term
Commondities.
Definition
something of use, advantage, or value.
Term
Composting.
Definition
a mixture of various decaying organic substances, as deadleaves or manure, used for fertilizing soil.
Term
Construction Technology.
Definition
Term
Consumer.
Definition
organisms that need other organism for its energy and food supply.
Term
Decomposer.
Definition
organisms that break down and obtains energy from dead matter.
Term
Delineate.
Definition
a mixture of various decaying organic substances, as deadleaves or manure, used for fertilizing soil.
Term
Desalinization.
Definition
desalt.
Term
Dichotomous.
Definition
divided or dividing into two parts.
Term
Ecosystem.
Definition
organisms that live together in a non living enviroment.
Term
Electronic Communication.
Definition
Term
Embryology.
Definition
the science dealing with the formation, development,structure, and functional activities of embryos.
Term
Endangered Species.
Definition
 species at risk of extinction because of human activity, changesin climate, changes in predator-prey ratios.
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