Single and Multicellular Organisms

Which is an example of a single-celled organism?

• Acorn
• Amoeba
• Honey Bee
• Grasshopper

Tags

NGSS.MS-LS1-1

Which best describes the main job of most cells in multicellular organisms?

• Cells work to keep themselves alive.
• Cells work to keep the organism alive.
• Cells work to release needed materials.
• Cells work to store unneeded materials. 

Which is the BEST way to classify grasshoppers?

• Multicellular organisms because they are made up of one cell that carries out all of their life processes. 
• Single-celled organisms because they are made up of one cell that carries out all of their life processes.
• Single-celled organisms because they are made up of many cells that carry out all of their life processes.
• Multi-celled organisms because they are made up of many cells that carry out all of their life processes.

A unicellular organism is best described as being...

• A complex organism.
• A microorganism.
• An organism with specialized cells.
• An organism with different types of tissues.

How are multicellular and unicellular organisms different?

• Multicellular organisms have more than one cell and are smaller than unicellular organisms.
• Unicellular organisms have more than one cell and are larger than multicellular organisms.
• Unicellular organisms have one cell and are smaller than multicellular organisms.
• Multicellular organisms have one cell and are larger than unicellular organisms.

Which of the following must get nutrients from a transport system?

• Amoeba
• Euglena
• Skin Cell
• Bacteria

Which organism is single-celled?

• Bacteria
• Tree
• Dog
• Human

Sue and Allie read about different kinds of organisms. They read about an organism with a respiratory system, digestive system, skeletal system, and muscular system. Which can Sue and Allie most likely conclude about this organism?

• The organism is unicellular.
• The organism is microscopic.
• The organism is multicellular.
• The organism does not have any cells.

Which BEST describes a single-celled organism?

• A small group of organisms.
• A small organism with a variety of parts.
• An organism that relies of other organisms to survive.
• An organism that is able to carry out all of its life processes.

Tags

NGSS.MS-LS1-1

A class is modeling the differences between a unicellular organism and a multicellular organism. Which example is a model of a unicellular organism?

• A student passing out water to a group.
• A student getting cereal from the cabinet.
• Two students collecting trash from a group.
• Four students working together to move a desk