Life ScienceSOL LS.1, LS.2 & LS.3 Nadean Moore
The cell theory states: • All cells are microscopic. • All living things are made of cells. • Plant cells are larger than animal cells. • All cells need oxygen.
What instrument was most important in the development of the cell theory? • Telescope • Slide • Thermometer • Microscope
Which of the following is part of the cell theory? • All cells have a nucleus. • Plant and animal cells contain some of the same organelles. • Living cells come only from other living cells. • Cells go through a cell cycle.
In an experiment the part that is being observed or measured to see if it changes is the: • Dependent variable • Hypothesis • Independent variable • Conclusion
Cells that have the same function group together to form: • Tissues • Organs • Organ systems • Unicellular organisms
Division of labor is usually a characteristic of _______ organisms. • Unicellular • Multicellular • Living • Extinct
This process is sometimes called cell division. • Mitosis • Divisibility • Photosynthesis • Symbiosis
In the scientific method which of the following would usually be done last? • Forming a hypothesis • Stating a conclusion • Recording and analyzing data • Testing the hypothesis
What is the part of an experiment that you purposely manipulate (change)? • Dependent variable • Research • Independent variable • Data
Which of the following organisms is unicellular? • Plant • Animal • Egg • Bacteria