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31 Cards in this Set
- Front
- Back
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All living organisms that are composed of cells. They may be unicellular or multicellular,
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Cell Theory
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Invloves interactions between communites and their environment. Environment includes everything from people from people to plants.
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Ecosystem
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An individual animal, plant, or single-celled life form.
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Organism
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Systems which work together to keep the body functioning normally.
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Organ Systems
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Collection of tissues joined in structural unit to serve a common function.
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Organs
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Group of cells with both a shared strusture and function.
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Tissues
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The basic structural unit of all organisms.
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Cells
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Provide support for the body, to preotect delicate internal organs and to provide attachment sites for the organs.
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Skeletal System Major Role
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Bones, cartilage, tendons, and ligaments.
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Skeletal System Major Organs
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Provide movement. The muscles work in pairs to move limbs and provide the organism with mobility. Also controls the movement of materials through some organs such as stomachs.
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Muscular System Major Role
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Skeletal muscles and smooth muscles throughout the body.
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Muscular System Major Organs
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Provide gas exchange between the blood and the environment.
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Respiretory System Major Role
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Nose, trachea, and lungs.
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Respiretory System Major Organs
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Breakdown and absorb nutrients that are necessary for growth and maintenance.
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Digestive System Major Role
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Mouth, esophagus, stomach, and small and large intestines.
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Digestive System Major Organs
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The blueprint of life and instructing cells how to develope and how to function.
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DNA
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Where is DNA founded?
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In the nucleus of the cell
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Sequence of DNA that determines a particular trait.
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Gene
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Another name for gene.
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Allele
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More common gene or allele that over powers a recessive and shows up in a population more often.
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Dominte Gene/ Allele
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Weaker, less common gene/allele in given pair.
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Recessive gene/allele
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Result of a cross of two parents
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Offspring
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Reproductive cells that contain one half of an individual's DNA
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Gametes
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the passage of genetic instructions from one generation to the next
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Heredity
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Reproduction where an exact copy of the parents genetic material is passed to the offspring.
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Asexual Reproduction
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Ability to generate extensive amounts of genetic diversity.
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Sexual Reproduction
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Ability to produce variable offspring
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diversity
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Most common in simple one celled organisms
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Asexual Reproduction
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The cell is the basic unit of life
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Cell Theory
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Cells arise from pre-existing cells
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Cell theory
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Sperm-male, egg- female are all parts of what?
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Gametes
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