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Non-living variable within the ecosystem, affecting the life of organisms. (Examples; temperature, light, and water.)
Abiotic Factor
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An alteration or adjustment in structure of habits, often hereditary, by which a species or individual improves its condition in relationship to its enviroment.
Adaptation
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The science, art, and business of cultivating soil, producing crops, and raising livestock; farming.
Agriculture
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A group of aquatic, photosynthetic, eukaryotic organisms ranging from unicellular to multicellular forms, and generally possess chlorophyll but lack true roots, stems and leaves characteristic of terrestrial plants.
Algae
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The height of an object or structure above a reference level, usually above sea level or the Earth's surface.
Altitude
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Of, relating to, or evolved from an ancestor or ancestors.
Ancestral
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Any large group of plants that produce flowers. They develop seeeds from ovules contained in ovaries, and the seeds are enclosed by fruits which develop from carpels.
Angiosperm
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An underground bed or layer of permeable rock, sediment, or soil that yields water,
Aquifer
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In _____ _________, only one parent is needed, resulting in offspring that are genetically identical to the parent -- clones.
Asexual Reproduction
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The gasesous mass or envelope surrounding a celestial body, especially the one surrounding the earth, and retained by the celestial body's gravitational field.
Atmoshpere
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Very large group of mircoorganisms comprising one of the three domains of living organisms. They are prokaryotic, unicellular, and either free-living in soil or water or parasites of plants or animals.
Bacteria
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The total mass of living matter within a given unit of enviromental area. Plant material, vegetation, or agricultural waste used as a fuel or energy source.
Biomass
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A ____ is a large geographical area of distinctive plant and animal groups, which are adapted to that particular environment.
Biome
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A factor created by a living thing or any living component within an enviroment in which the action of the organism affects the life of another organism. (Example; a predator consuming its prey.)
Biotic Factor
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Causing cancer or contributing to the causation of cancer.
Carcinogens
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