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Bio Vocab 1.1 & 1.3

Advanced biology vocab C1.1 & 1.3

QuestionAnswer
Biology the study of life
Cell highly organized, tiny structures that are the smallest unit capable of all life functions
Reproduction process which organisms make more of their own kind
Metabolism the sum of all chemical reactions in the body
Homeostasis maintaining a stable internal environment
Gene basic unit of heredity
Heredity the passing of traits from parents to offspring
Mutation a change in the DNA of a gene
Evolution change in the inherited characteristics of species over generations
Species a group of genetically similar organisms that can produce fertile offspring
Natural selection the process in which organisms with favorable traits are more likely to survive and reproduce
Ecology the branch of biology that studies the interactions of organisms with their environment
Observation the act of noting or perceiving objects or events using the senses; usually 1st step in SM
Hypothesis a testable possible explanation of an observation (an educated guess); usually 2nd step of SM
Predictions the expected outcomes of a test
pH the relative measure of the hydrogen concentration within a solution
Experiment a planned procedure to test a hypothesis
Control group a group in an experiment that receives no experimental treatment
Independent variable this is the one variable (or factor) that the scientist changed
Dependent variable the variable that is measured (the results) because of the change the scientist made
Theory a set of numerous related hypotheses that confirm the observation
Created by: dfosterteacher
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