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Chapter 1: Vocabulary Review

Name:_______________________________
  Date:_______________ Hour:___________ 
Across
Condition when organisms keep their internal environment relatively stable, even when external conditions change
Genetic code written in a molecule called ____
________ variable that is deliberately changed
Exposed to the same conditions as the experimental group except for one independent variable
________ reproduction, cells from two parents unite to form the first cell of a new organism
________ experiment in which only one variable is changed
Is when there is a chemical reaction which an organism builds up or breaks down materials
Logical interpretation based on what scientists already know
A signal to which an organism responds
The study of life
Down
The act of noticing and describing events or processes in a careful, orderly way
Detailed records of experimental observations
A particular preference or point of view that is personal, rather than scientific
A scientific explanation for a set of observations that can be tested in ways that support or reject it
The variable that is observed and that changes in response to the variable that was changed
Organized way of gathering and analyzing evidence about the natural world
_______reproduction, in which a single organism produces offspring identical to itself
Evidence from many scientific studies may support several related hypotheses in a way that inspires researchers to propose a scientific _______ that ties those hypotheses together