Ch 1.1 Pt1
possible explanation for a set of observations or possible answer to a scientific question
What is a hypothesis?
factor in a controlled experiment that is deliberately changed; also called manipulated variable
What is an independent variable?
a particular preference or point of view that is personal, rather scientific
What is a bias?
scientific study of life
What is biology?
to change over time
What is evolve?
a logical interpretation based on prior knowledge and experience
What is an inference?
variable that is observed and that changes in response to the independent variable; also called the responding variable
What is a dependent variable?
process of reproduction involving a single parent that results in offspring that are genetically identical to the parent
What is asexual reproduction?
relatively constant internal physical and chemical conditions that organisms maintain
What is homeostasis?
process of noticing and describing events or processes in a careful, orderly way
What is observation?
experiment in which only one variable is changed
What is a controlled experiment?
type of reproduction in which cells from two parents unite to form the first cell of a new organism
What is sexual reproduction?
signal to which an organism responds
What is stimulus?
evidence; information gathered from observations
What is data?
well-tested explanation that unifies a broad range of observations and hypotheses, and enables scientists to make accurate predications about new situations
What is a theory?
genetic material that organisms inherit from their parents
What is DNA?
group in an experiment that is exposed to the same conditions as the experimental group except for one independent variable
What is a control group?
the combination of chemical reactions through which an organism builds up or breaks down materials
What is metabolism?