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dshirah ch1

biology

QuestionAnswer
what is biology the study of life
what are cells the smallest unit capable of all life functions
what is reproduction the process by which organisms make more of their kind.
what is metabolism is the sum of all the chemical reactions caried out in an organism
what is homeostasis the mantenance of stable internal conditons in spite of the changes external enviroment
what is a gene the basic unit of heredity
what is heredity traits passed from parents to offspring
what is mutation a change in the dna of a gene
What is evolution a change in the inhereted characteristics of a species generations
what is species is a group of genetic organism that can produce fertile offspring
what is natural selection the process in which organism with favorable traits are more likley to survive
what is ecology is the branch of biology that studies the interactions of between different organisms
what is a genome the complete genetic material contained in an individual
what is HIV a virus that attacks your immune system
what is cancer a growth defect in cells
what is cystic fibrosis inherited defect of a gene
what is gene therapy the replacement of a defectic gene
what is an observation the best act of nothing or percieving objects or events
what is a hypothesis An educated guess
what is prediction the expected outcome of a test
what is PH a relative measure of the hydrogen ion concentrations within a solution
what is experiment a planned procedure to test a hypothesis
what ia a control group a group in an experement that recieves no experemental treatment
what is an independant variable the factor that is changed in an experiment
what is a dependent variable the variable that is measured in an experiment
what is a theory a set of related hypothises that have been tested and confirmed many times by scientists
Created by: dshirah
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