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Unit 1: Introduction to Biology & The Scientific Method

Across
the group in an experiment that receives the variable being tested – the ‘treatment group’
an organism made of many cells
a variable that is changed – usually what is being tested
an explanation or educated guess to explain a problem or event
the decimal measuring system based on the meter, liter, and gram as units of measurement
a type of reproduction in which a new organism is produced by the union of a sperm and egg – the new offspring contains half the DNA of the each parent
a type of reproduction in which an new organism is produced from one parent – the offspring are genetically identical to its parent
an organized approach to problem solving
a living thing having all the characteristics of life
a device that produces a magnified image of objects too small to be seen with the naked eye
the maintenance of a constant stable internal environment
the process of reaching a conclusion about something from observable facts or evidence
Down
the process by which a cell becomes specialized, as genes are turned off and specific proteins are made
he process of making an object appear bigger
The variable that you measure or observe – results from the effect of the independent variable
any and all information gathered while researching an answer to a question
A good guess on what happens next based on what you know
to use all five senses to collect information
an organism made of one cell
a summary of the experiment's results
An experiment where the person conducting the test only changes one variable at a time in order to isolate the results of the experimental group.
the study of living things
an idea that is intended to explain some aspect of the natural world, commonly regarded as correct
The group in an experiment that does not receive the variable being tested and used as a point of reference – the ‘normal group’