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31 Cards in this Set
- Front
- Back
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What is Cell Theory?
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All living organisms are composed of cells. They may be unicellular or multicellular
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What cell is the basic unit of life?
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Cell Theory
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Cells arise from where?
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Pre-existing cells
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What is an Organism?
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An individual animal
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What systems work together to keep the body functioning?
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Organ Systems
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What is an Organ?
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Collection of tissues joined in structural unit to serve a common function
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What are Tissues?
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A group of cells with both a shared structure and function
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What is a Cell?
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The basic structural inti of all organisms
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What is the Skeletal System?
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The main role of the skeletal system is to provide support for the body
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Whats an Ecosystem?
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involve intercations between communities and their environmemt
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Major Organs are?
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bones
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Whats the Muscular System?
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Muscles work in pairs to move limbs and provide the organism mobility
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Major Organs in the Muscular System are?
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Skeletal muscles and smooth muscels throughtout the body
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What is the Circulatory System?
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The main role of the circulatroy system is to transport nutrients
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Circulatory major organs are?
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Heart
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What is the Nervous System?
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The nervous system directs behavior and movement and along with the endorcine system
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Major organs are?
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Brian
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Whats the Respiratory System?
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To provide gas exchange between the blood and the enviroment
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Respiratory system major organs are?
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Nose
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Whats the Digestive System?
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Is to breakdown and asborb nutrients that you need
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What are the major organs of the Digestive System?
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Mouth
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What is DNA?
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Its how cells should form
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Whats Gene?
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Sequence of DNA
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Whats Allele?
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Another name for a gene
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what is a dominant gene mean?
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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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what is a recessive gene mean?
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weaker
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what is offspring?
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result of a cross of two parents.
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what is gametes?
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reproductive cells that contain one half of an indiciduals DNAs
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what is Heredity?
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the passage of genetic instructions from one generation to the next.
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what is Asexual reproduction?
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reproduction where an exact copy of the parents genetic material is passes on to the offspring. most common in simple one celled organisms
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what is Sexual Reproduction?
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ability to generate extensive amounts of genetic diversity
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