Category 1
A dog is a ______ thing.
Living
Sensitivity
Most ______ are too small to be seen with the naked eye.
Cells
List the levels of organization in order from smallest to largest.
______ are made up of tissues that work together.
Organs
_____ things are not alive and never have lived.
Non-living
Give TWO reasons why a train is considered a non-living thing.
It cannot grow and it cannot reproduce
The word ______ means that an organism has one cell.
Unicellular
A collarbone is part of the ______ system.
Skeletal
Eyes are considered _______.
Organs
Which is NOT a life process?
Grow
Movement
Reproduce
Thinking
Thinking
A _______ is the basic unit of life.
Cell
A rabbit, a eucalyptus tree, and a fish are all considered _______.
Multicellular
_______ are made up of cells that work together.
Tissues
________ microscopes send beams of electrons that pass through or reflects off of the specimen.
Electron
The part of the microscope that is closest to the user's eye is called the ______.
Ocular Lens
The cell theory states that:
The cell is the basic unit of life.
All living things are made up of cells
____________________________
Cells come from other cells
The levels of organization all work together to form the entire
Organism
The chair that you are sitting in is considered a ______ thing.
Non-living
Scientific theories can be tested by observation and _______.
Experiment