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Living Enviroment
Question | Answer |
---|---|
Science | an organized way of gathering and analyzing evidence about the natural world. |
Observation | the first step of a scientific investigation |
Inference | a logical interpretation based on what scientists already know |
Hypothesis | a scientific explanation for a set of observations hat can be tested in ways that support or reject it. |
Controlled Experiment | an experiment where some aspect of the experiment is controlled like the subject, environment, specimen, variable, etc. |
Independent Variable | the variable that is deliberately changed |
Dependent Variable | the variable that is observed in response to the independent variable |
Control Group | the group that is exposed to the same conditions as the experimental group except for one independent variable |
Data | detailed records of experimental observations |
Theory | |
Bias | a particular preference or point of view that is personal, rather than scientific |
Biology | the study of life |
DNA | contains all the information needed to live, grow, and reproduce |
Stimulus | a signal to which an organism responds |
Homeostasis | when an organisms internal environment is relatively stable |
Metabolism | the combination of chemical reactions through which an organism builds up or breaks down materials |
Biosphere | "Living Planet" all life forms are connected to it |