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38 Cards in this Set
- Front
- Back
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the force that resists motion between a moving round object and the ground
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rolling friction
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negative acceleration
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deceleration
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the force that attracts an object to the Earth
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gravity
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the force that prevents an object from moving
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static friction
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the force that resists movement between two objects
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friction
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how well an object resists a change in its motion is known as an object's
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inertia
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the force that resists motion when a flat object is moving along the ground
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sliding friction
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a measure of how difficult it is to stop an object in motion
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momentum
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a trace or print or the remains of a plant or animal of a past age that has been preserved in the earth or rock
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fossil
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something that is no longer existing
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extinct
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this is a variation that makes an organism better suited to its environment
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adaptation
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this is a similarity between corresponding parts of different plants and animals
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homologous structure
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this occurs when two or more plants and/or animals find and use environmental resource that is in limited supply
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competition
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the change in the inherited characteristics of a species over time
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evolution
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this is the ability of a species to produce far more offspring than can possibly survive
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overproduction
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this is an inherited trait that makes an individual different from other members of its species
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variation
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this idea states that organisms with traits best suited to their environment will be more likely to survive and reproduce, passing on those traits to their offspring
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natural selection
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this is a group of organisms that share similar characteristics and can reproduce among themselves
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species
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a general principle or set of principals that explains facts or events of a natural world
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theory
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this occurs when genes are altered or copied incorrectly from one generation to the next
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mutation
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long period of time marked by events in the earth's geologic history
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geologic time
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a picture of chromosomes in a cell, sorted into pairs according to their size
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karyotype
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this is a person who is heterozygous for a recessive disorder. they do not show any symptoms of the disorder
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carrier
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an organism that receives the same genetic information for a trait from each parent
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homozygous/ purebread
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n inherited characteristic
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trait
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a section of DNA on a chromosome
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genes
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the study of how traits are inherited
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genetics
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the different forms of a trait that a gene may have
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allele
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the passing forms of traits from a parent to an offspring
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heredity
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a trait that covers up or dominates the other traits
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dominant traits
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an allele inherited on the X and Y chromosome
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sex- linked traits
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a trait that seems to disappear for at least one generation
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recessive traits
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a tool used to follow a trait throught several generations of a family
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pedigree
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an organism that receives different genetic information for a trait from each parent
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heterozygous/ hybird
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an allele inherited on the X and Y chromosome
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sex- linked traits
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a trait that seems to disappear for at least one generation
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recessive traits
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a tool used to follow a trait throught several generations of a family
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pedigree
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an organism that receives different genetic information for a trait from each parent
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heterozygous/ hybird
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