- adaptation: evolution of a structure, behavior or internal process that enables an organism to respond to environmental factors and live to produce offspring
- biology: the study of life that seeks to provide an understanding of the natural world
- control: something in the experiment that does not change - it remains standard
- data: information obtained from experiments
- energy: the ability to cause change
- ethics: the moral principles and values people have
- evolution: gradual change in a species through adaptations over time
- experiment: procedure that tests a hypothesis by collecting information under controlled circumstances
- hypothesis: a possible answer to a question, based on good reasons, facts or ideas
- investigate: to search for an answer
- observed: seen
- organism: anaything that possesses all the characteristics of life
- quality: a value
- quantity: an amount
- reproduction: production of offspring by an organism
- response: an organism's reaction to a change in its environment
- scientific methods: procedures that scientists use to gather information and answer questions
- stimulus: anything in an organism's environment that causes the organism to react
- technology: using science to answer society's problems
- theory: explanation of something natural supported by scientific evidence
- variable: one of the things in an experiment that can be changed or controlled