Characteristics of Life
Microorganisms
Organelles
Cell Membrane
Other
100
Name the four ESSENTIAL characteristics of life.
Movement Reproduction Growth/Eating Stimulus/Response
100
What is the definition of a microorganism?
Any living thing that is invisible to the naked eye (you need a microscope to see it)
100
True or False: Organelles are found in the cytoplasm of a cell.
True
100
The cell membrane is _________, meaning it chooses what goes in and out.
Selectively Permeable
100
What are the "instructions" a cell reads that tell it how to behave?
DNA (found in the chromosomes)
200
A cell using its flagellum is an example of what characteristics of life?
Movement
200
An organism that is only made of one cell is called...
Unicellular
200
Name two organelles that are only found in plant cells?
Cell wall and chloroplast
200
Nutrients, wastes, and gases travel across the cell membrane by __________.
Diffusion
200
Name an example of internal movement.
Various
300
"Budding" is an example of which essential characteristic of life?
Reproduction
300
Which group of microorganisms are called "extremophiles", meaning they can survive where other organisms can't?
Archaea
300
What is the organelle that produces energy?
Mitochondria
300
Water travels across the cell membrane by ____________.
Osmosis
300
What is cytosol?
The "goo" that surrounds the organelles.
400
"Phototrophism" is an example of which essential characteristic of life?
Stimulus/Response
400
Which group of microorganisms is the ancestor to land plants?
Blue-Green Algae
400
True or False: Chloroplasts create energy using the sun?
False, they create glucose.
400
The inside of the cell contains a high concentration of salt molecules. The outside of the cell has a low concentration of salt molecules. During diffusion, where will the salt molecules move?
Out of the cell (from high concentration to low concentration)
400
The very dark spot you can normally see when looking at a cell under a microscope is...
The nucleus
500
Name a situation where an organism may not show all four essential characteristics, but still be alive?
There are no situations like this. ALL living organisms show some form of all four characteristics of life.
500
Which group of microorganisms includes mildews, moulds, and yeasts?
Fungi
500
Lysosomes are filled with _________, which help break things down.
Enzymes
500
The outside of the cell has a high concentration of potassium ions. The inside of the cell has a low concentration of potassium ions. During osmosis, where will the water move?
Out of the cell, towards the area where lots of things are dissolved.
500
Name the three components of the Cell Theory.
All living things are made of cells. Cells are basic unit of life. All cells are produced from other cells.
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