All organisms are made up of one or more _____.
What are cells?
This value is found by adding up all the numbers in a data set and dividing the total by how many numbers were in the data set.
What is an average?
This is a kind of data that can change during an experiment.
What is a variable?
This is the smallest thing that can be considered living.
What is a cell?
The body's ability to maintain balanced and stable internal conditions.
What is homeostasis?
A group of ____ bonded together form a molecule.
What are atoms?
Graphs must include a label on the x-axis, a label on the y-axis, and a _____.
What is a title?
This is the variable that changes as a result of what the experimenter does.
What is the dependent variable?
Cells are made out of these; the 4 categories of these are proteins, lipids, carbohydrates, and nucleic acids.
What are macromolecules?
All cells, and therefore all organisms, need ____ to carry out the functions necessary to live.
What is energy?
_______ is information gained from observations and experiments, and it is used as _______ to either support or reject a scientific claim.
What is data, evidence?
The independent variable goes on the ______ and the dependent variable goes on the ______.
What is x-axis, y-axis?
This is the variable that the experimenter changes or manipulates.
What is the independent variable?
What are organ systems?
This organ system gets organic compounds (AKA food) into the body. It also helps keep blood sugar levels in homeostasis.
What is the digestive system?
This is any change in an environment that causes a reaction or response.
What is a stimulus?
______ are used to show how a variable changes over time; _____ are used to compare groups.
What are line graphs, bar graphs?
Experimenters try to keep all the variables ______ except the independent and dependent variables. This helps reduce error in the data.
What is constant?
____ have a particular role in an organ system, and are made out of tissues.
What are organs?
This organ system gets oxygen molecules into the body and carbon dioxide molecules out of the body. It helps keep the cellular oxygen and carbon dioxide levels in homeostasis.
What is the respiratory system?
Cells get energy from doing a ______ that takes food molecules and oxygen, and turns them into usable energy, carbon dioxide, and water.
What is a chemical reaction?
This is the variable you collect data on in an experiment.
What is the dependent variable?
A graph is often the best way to visualize and summarize the _____ of an investigation.
What are results?
Many specialized cells working together is called a ____.
What is a tissue?
This organ system transports molecules to and from cells in the body, keeping the cells in homeostasis.
What is the circulatory system?