used for comparison, does not receive the independent variable
control group
the structural and functional unit of all living organisms
cell
basic unit of structure and function in living organisms
cell
study of life
Biology
You use your senses to make ______, such as the temperature is 78 degrees F.
observations
parts of the experiment that remain the same
constants
composed of several organs working together
organ system
maintaining a stable internal environment
homeostasis
numerical data such as 25 centimeters
quantitative data
a standard series of steps used in gaining new knowledge that is widely accepted among scientists; acts as a guideline for scientific studies
scientific method
variable being tested
independent variable
a group of cells with common structure and function
tissue
causes a response
stimulus
descriptive data such as color or texture
qualitative data
concepts that join together well supported and related hypotheses
scientific theories
part of the experiment that is measured
dependent variable
composed of tissues functioning together for a specific task
organ
enables an organism to better survive in its environment
adaptation
a possible explanation for a natural event
hypothesis
the discipline of identifying and grouping organisms according to certain rules
taxonomy
is used to test the hypothesis
experiment
an individual; complex individuals contain organ systems
organism
having cells, tissues, organs, and systems
organization
a series of procedures to test a hypothesis
experiment
Scientific Methods include what important steps
Observing, asking questions, hypothesizing, experimenting, recording and analyzing data, and drawing conclusions