Scientific Method
What two words must a hypothesis include?
If and then
What is the microscope most popularly used in classrooms?
Light microscope
What is one of the main characteristics of life?
Reproduction
Why is the organization of life important?
It's important because we can use it to characterize species and place them into categories.
What does a gram measure?
Weight
What is an experiment?
A procedure used to test the hypothesis.
What do the stage clips do?
Holds the slide in place.
Why is reproduction so important?
Reproduction is important to sustain life of a species.
What are the biological levels of the organization?
Cell, tissue, organ, and organ system.
What does celsius measure?
What would you do if your hypothesis was wrong?
Reconstruct your hypothesis then retest.
What is the range of magnification on a light microscope?
40-400x
How are growth and development connected to reproduction?
Organisms must grow and mature enough to be able to reproduce.
What is sexual reproduction? What is asexual reproduction?
Sexual reproduction involves 2 parents and is through intercourse. Asexual reproduction is when a cell divides and makes an exact copy of itself.
What does a meter measure?
Distance
Define these three terms: independent variable, dependent variable, and constant.
An independent variable is what is changed in the experiment and the dependent variable is the effect of the change. A constant is what is never changed in an experiment.
Why do we change the amount of light shown in a light microscope?
We change the amount of light so we can see the object better under the slide.
What is homeostasis?
The process of maintaining a regulated balance often used to regulate water and temperature.
What is a unicellular organism? What is a multicellular organism?
Unicellular organisms contain only a single cell while multicellular organisms contain multiple cells.
What does a liter measure?
Volume
List the 7 steps of the scientific method.
observe, hypothesize, experiment, collect data, conclusion, and retest.
When moving the microscope around how do you hold it?
Name the six characteristics of life
Reproduction, growth and development, evolution, response to the environment, metabolism, and homeostasis.
What is the modern cell theory?
The cell is the smallest organism, all living things are made of cells, and all cells are created from pre-existing cells.
Which is bigger a meter or kilometer?
Kilometer