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Evolution/Classification & Body Systems
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27
Biology
10th Grade
05/15/2012

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Term
Evolutuion
Definition
A progressive change in development over time.
Term
Theory
Definition
General testable propositions
Term
Charles Darwin
Definition
A scientist who studied the theory of evolution.
Term
Adaptation
Definition
Traits that increase survival rate.
Term
Variation
Definition
Differences in characteristics.
Term
Natural Selection
Definition
The process where individuals that are better adapted to the environment are more likely to survive and reproduce more than other members if the same species.
Term
Survival of the Fittest
Definition
The most adaptable and most likely to survive in an environment.
Term
Classification
Definition
The grouping of organisms by similarities in characteristics.
Term
Taxonomy
Definition
The science of identifying and classifying organisms into groups based on similar characteristics.
Term
Kingdom
Definition
The most general level.
Term
Genus
Definition
The level above species.
Term
Species
Definition
The most specific level.
Term
Fossils
Definition
remains of bones and traces used as evidence.
Term
Embryo
Definition
the early stage of development in the womb.
Term
Homologous structure
Definition
The evidence supporting evolution as to where two species share the same structures of bones,etc.
Term
Biochemical Evidence
Definition
The evidence supporting evolution as to where tow species share most of the same DNA.
Term
Binomial Nomenclature
Definition
The name of classification used for organisms consisting of its Genus and Species.
Term
Digestive System
Definition
The system in which deals with the ingestion of food and the excretion of waste.
Term
Respiratory System
Definition
The system in which deals with external respiration such as lungs or trachea.
Term
Circulatory System
Definition
The system involving the transportation of oxygen, food, and blood to where it is most needed in the body.
Term
Endocrine System
Definition
The system involving removal of waste.
Term
Nervous System
Definition
The system involving the brains response to nerves.
Term
Skeletal System
Definition
The system in which deals with structure and support for the body.
Term
Muscular System
Definition
The system in which deals with the contractions of muscles which allow us to be able to move.
Term
Positive Feedback
Definition
tells the body to increase or accelerate the activity its performing.
Term
Negative Feedback
Definition
tells the body to stop performing as it was.
Term
Homeostasis
Definition
The process of maintaining a constant internal environment.
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